Chemistry College

3. The name of the functional group in the following compound
CH3 - CH2 - CH2 - CH-CH2 - CH3
1
CH3 – CH2
a. Methyl
b. Ethyl
C. Propyl
d. Isopropy!

Answers

Answer 1

Answer: a.) Methyl would be the answer.

Explanation:

Related Questions

The solubility of a solid in a liquid generally increases with increase temperature.

True
Or
False

Answers

Answer:

False, Solubility increases with temperature for most solids.

Explanation:

If 5.32 mols N2 and 15.8 mols H2 react together, what mass NH3 can be
produced? Which is the limiting reactant?

Answers

Answer:

2.87 gram

N2 is the limiting agent

Explanation:

We will find out if there is sufficient N2 and h2 to produce NH3

a) For 2.36 grams of N2

Molar mass of N2 = 28.02

Number of moles of N2 in 2.36 grams = 2.36/28.02

Mass of NH3 = 17.034 g

Now NH3 produced form 2.36 grams of N2 =  

2.36/28.02 * 2 * 17.034 = 2.87 g NH3

b) For 1.52 g of H2  

NH3 produced = 1.52/2.016 * (2/3) * 17.034 = 8.56

N2 Is not enough to produce 2.87 g of NH3 and also H2 is not enough to make 8.56 g of NH3.  

N2 is the limiting agent as it has smaller product mass

Explain how a neutral paper fragment can be attracted to a charged rod

Answers

Answer:

The particles in the neutral paper can shift, causing the paper to become polarized and attracted to the rod.

Explanation:

The neutral paper has an even distribution of its electrons throughout the paper. If a charged rod is brought near the neutral paper, this can cause the electrons in the paper to shift. If the rod is negative, the electrons will be repelled from the rod and cause the molecules in the paper to have a slight positive charge on the part of the paper closest to the rod. If the rod is positive, the electrons will be attracted to the rod and cause a slight negative charge on the side of the paper closest to the rod.

all metals rust please answer false or true​

Answers

Answer:

True

Explanation:

All metals do rust but at different rates. Gold, platinum, and silver can rust if but at different rates. It can take time for it to rust, if you clean your metals, it won't rust, it'll take awhile before it rusts if you keep cleaning them.

Hopefully this helps :3 sorry if wrong :( plz mark brainiest if correct :D your bootiful/handsome! Have a great day luv <3

-Bee~

what are the reasons that you cannot see many stars in the city nights?

Answers

Answer:

Because of the artificial lights influencing the dark night, turning it into a grey.

Help me I'm desperate :( no links or u will be reported

Answers

Answer:

Here is the answer from somewhere in the internet

What products will form when potassium is added to cold, liquid water?
A.) no reaction will occur
B.) potassium oxohydride and hydrogen
C.) potassium hydroxide and hydrogen
4.) potassium oxide and hydrogen

Answers

Answer:

C

Explanation:

Potassium metal reacts very rapidly with water, which forms Potassium hydroxide (KOH) and hydrogen gas (H2).

Answer:

The answer is C

Explanation:

i took a test on this.

I need help with level 15 in covalent bonding in playmada collisions app.

Answers

which level are u on now?

True/False –Similar to liquids, gases cannot be compressed.

Answers

Answer:

False

Explanation:

A liquid has a definite shape and takes on the volume of its container. A gas has both the shape and the volume of its container. The particles in a gas cannot be compressed into a smaller volume. Liquids tend to contract when heated.

Hope this helps

assuming fixed shape when heated?​

Answers

Answer:

Assuming that the atmospheric pressure is standard, the temperature will rise steadily until it reaches 100°C

Can you watch the video and help me fill in the blanks ? Thank you

Answers

1 = rest
2 = rest
3 = motion
4 = motion
5 = a (net) external force

Question 7 point
What is the name of the covalent compound with the formula P2N3?

Answers

List of covalent compounds
Binary molecular (covalent) compounds
compound systematic name
NO2 nitrogen dioxide
N2O3 dinitrogen trioxide
N2O4 dinitrogen tetroxide
N2O5 dinitrogen pentoxide

The speed of an electron is 1.68*10^8m/s what is the wavelength

Answers

Answer:

[tex]\lambda =4.33x10^{-12}m=4.33pm[/tex]

Explanation:

Hello there!

In this case, since the speed, wavelength and mass of an electron are related via the the Broglie wavelength:

[tex]\lambda =\frac{h}{m*v}[/tex]

Thus, by plugging in the mass of the electron and the Planck's constant, we obtain the following wavelength:

[tex]\lambda =\frac{6.626x10^{-34}J*s}{9.11x10^{-31}kg*1.68x10^{8}m/s}\\\\\lambda =4.33x10^{-12}m=4.33pm[/tex]

Best regards!


The change in time for the first quarter is
seconds.
The change in time for the second quarte 1.39
seconds.
2.07
The change in time for the third quarter is
2.18
seconds.
The change in time for the fourth quarter is
second

Answers

Answer: The change in time for the first quarter is  1.39 seconds.

The change in time for the second quarter is 0.78 seconds.

The change in time for the third quarter is 0.64 seconds.

The change in time for the fourth quarter is 0.54 seconds.  

Explanation: took info from my data and completed lab

Step 5: Measure the Speed of the Toy Car on the Higher Track

Calculate the change in time for each quarter of the track. Record the change in time in Table E of your Student Guide.

Also added the other calculations -

Calculate the average time the car took to reach each checkpoint. Record the average time in Table D of your Student Guide.

The average time to the first quarter checkpoint is 1.39 seconds.  

The average time to the second quarter checkpoint is 2.18 seconds.

The average time to the third quarter checkpoint is 2.82 seconds.

The average time to the finish line is 3.36 seconds.

Calculate the speed of the car at each checkpoint by dividing the distance between each checkpoint, in meters, by the change in time. Record your answers in Table E of your Student Guide.

The speed at the first quarter checkpoint is 1.09 m/s.  

The speed at the second quarter checkpoint is 1.95 m/s.

The speed at the third quarter checkpoint is 2.37 m/s.

The speed at the finish line is 2.80 m/s.

Please make me Brainly..:)

List three forms of energy.

Answers

The different types of energy include thermal energy, radiant energy, chemical energy, nuclear energy, electrical energy, motion energy, sound energy, elastic energy and gravitational energy.

you could use any of these.

Answer: Chemical energy is energy stored in the bonds of atoms and molecules. ...

Mechanical energy is energy stored in objects by tension. ...

Nuclear energy is energy stored in the nucleus of an atom—the energy that holds the nucleus together.

Explanation:

which is the most fluorescent molecule?

Answers

I think neon....................

Which term describes something that displays all the characteristics of life?
a.homeostasis
b.organism
c.stimulus
d.unicellular

Answers

A, it says on here good luckkkkkk

How many milliliters of 0.100 M NaOH is needed to titrate 20.0 mL of 0.100 M HNO3 ?

Answers

Therefore, 50.0 m L of 0.200 M NaOH is required to completely neutralize 100.0 mL of 0.100 M HCl

What are the benefits of Fluoride?

Answers

Answer:

The benefits of Fluoride are rebuild (remineralize) weakened tooth enamel.slow down the loss of minerals from tooth enamel.reverse early signs of tooth decay.prevent the growth of harmful oral bacteria

Answer:

Fluoride is often called nature's cavity fighter and for good reason. Fluoride, a naturally-occurring mineral, helps prevent cavities in children and adults by making the outer surface of your teeth (enamel) more resistant to the acid attacks that cause tooth decay.

Select the valid ways to make an ammonia/ammonium buffer for use in the laboratory. Mix equal volumes of 1 M NH3 and 0.01 M NH 4. Mix some volume of 1 M NH3 with half as much 1 M HCl. Mix equal volumes of 1 M NH3 and 1 M NH 4. Mix equal volumes of 1 M NH3 and 1 M HCl.

Answers

Answer:

The answer is "Option b and Option c".

Explanation:

This buffer is a buffer of ammonia and ammonium ion. Thus it requires the solution [tex]NH_3 \ \ and \ \ NH_4^{+}[/tex].

In point 1:

The solution containing [tex]NH_3 \ \ and \ \ NH_4^{+}[/tex] at 1M concentration would be given by mixing the two solutions. Thus, this buffer is a legitimate route.

In point 2:

It gives the ions you want but they are not the same.

In point 3:

[tex]1 M[/tex] [tex]NH_3[/tex] and [tex]1 M[/tex][tex]HCl[/tex] volume would not produce the same [tex]NH_3 \ \ and \ \ NH_4^{+}[/tex] concentrations. Therefore, this buffer isn't a valid route.

In point 4:

Some [tex]1 M[/tex] [tex]NH_3[/tex] volume and half [tex]HCl[/tex] . This offers the same rate as half.

1. What organ system is responsible for controlling all of the body
functions?

Answers

Answer:

The human brain is the body's control center, receiving and sending signals to other organs through the nervous system and through secreted hormones. It is responsible for our thoughts, feelings, memory storage and general perception of the world. The human heart is a responsible for pumping blood throughout our body

2. What organelle in plant cells makes it possible for plants to carry out photosynthesis?
a. cell wall
b. chloroplast
C. lysosome
d. nucleus

Answers

the answer is b. chloroplast

What mass of nitrogen (N2) is needed to produce 0.125 mol of ammonia (NH3)? Input a numerical answer only. N2 + 3H2 ---> 2NH:

Please help me ​

Answers

Given the following equation: I N2(g) + 3H2(g) → _2_NH3(e) a. ... Calculate the number of grams of NH3 produced by the reaction of 5.40 g of ... C. How many grams of nitrogen are needed to produce 15.3 g of NH3?
98 KB

Very sorry if this is wrong!

I a doing an exam in science pls help.


What type of energy comes from the motion of tiny particles of matter?

Answers

Answer:

heat

Explanation:

Answer:

Thermal Energy

Explanation:

what is bond stability??​

Answers

Answer:

Bond order is a counting method that gives an idea about numbers of electrons shared between atoms. A species with a higher bond order is more stable. A bond order equal to 2 is a double bond, and a bond order of 3 is a triple bond.

Explanation:

A scientist wants to display the numbers of gallons of fuel that were used up
in a one-hour period by three different types of motors. What type of visual
display should the scientist use?


Help please

Answers

Answer:

bar graph

Explanation:

Pls someone help me with this question pls

Answers

Answer:

it c

Explanation:

because it's supposed to be untangled so nothing will happen to it because if it's Tangled bad stuff what happened to it and it will broke

Options:
1. Unsaturated fat or saturated fat
2. Fatty acids, carbohydrates, sterols, or phospholipids
3. Fatty acids, carbohydrates, or triglycerides

Answers

Answer:

saturated fats

Explanation:

bcoz it is solid at room temperature and does not have double bonds between carbons

You prepare a standard by weighing 10.751 mg of compound X into a 100 mL volumetric flask and making to volume. You further dilute this solution 5 mL to 25 mL. This standard gives an area of 4,374. Your sample is prepared by adding 5 mL of sample solution into a 50 mL flask and making to volume. This gives an area count of 2,582. Calculate the concentration of compound X in the sample - prior to dilution.

Answers

Answer:

0.12693 mg/L

Explanation:

First we calculate the concentration of compound X in the standard prior to dilution:

10.751 mg / 100 mL = 0.10751 mg/mL

Then we calculate the concentration of compound X in the standard after dilution:

0.10751 mg/mL * 5 mL / 25 mL = 0.021502 mg/L

Now we calculate the concentration of compound X in the sample, using the known concentration of standard and the given areas:

2582 * 0.021502 mg/L ÷ 4374 = 0.012693 mg/L

Finally we calculate the concentration of X in the sample prior to dilution:

0.012693 mg/L * 50 mL / 5 mL = 0.12693 mg/L

How do you balance: Al+Fe3O4=Al2O3+Fe ?

Answers

Answer:

8Al+3Fe3O4=4Al2O3+9Fe

Answer:

8Al + 3Fe3O4 → 4Al2O3 + 9Fe

Explanation:

Other Questions
In which of the following scenarios would high-pressure selling tactics typically be most advantageous for marketers?A) selling situations with long-time customers B) selling situations with new customers with a high likelihood of becoming repeat customers C) selling situations with a company's most highly valued customers D) one-time selling situationsE) selling situations with dissatisfied customers which of the following statements regarding adoption credits is not true? multiple choice qualified expenses do not include employer reimbursements. an eligible child is one who is under age 18. the credit may be claimed regardless of the taxpayer's modified agi. qualified expenses include adoption fees, attorney fees and court costs. When principals wish to convert a privately held corporation to a publicly held corporation, they will typically:________ HOW WOULD YOU MULTITASK? (provide a rationale)YOU ARE THE LEAD CUSTOMER SERVICE REPRESENTATIVE ANDYOU MANAGE A TEAM OF FIVE (5)I.An impatientcustomer needs help and no one is acknowledging themII. A team memberwants to talk to you about taking time offIII.A DistrictThe manager just walked into your place of businessIV.A customer calls in witha question and is placed on hold by theautomated systemV.There is a long line with only one register open Determine The Angle Between The Planes 3x+2-5 = 0 And 2x+2-3z +10=0, keep track of your income and expenses for one month. list all your assets and liabilities (debts owed) in a spreadsheet. based on these documents, develop a monthly budget and a net worth statement. Calculate the variance in the scenario below and state whether it is positive or negative, favourable or adverse. Explain two challenges of setting budgets. Budgeted profit: 200,000; Actual profit: 410,000 (6 marks) A) You are a passenger in a car driving down a highway. What is your reference frame?B) An event is something that __________.C) A clock on a moving train runs __________ an identical clock at rest.D) Proper time is __________.E) You are in a rocket moving at 30% the speed of light with respect to the Earth. When you measure the length of your rocket, what do you notice?F) From different frames of reference, time intervals and lengths both appear different. What is one measurement that will appear the same to all observers?G) Inside a nuclear power plant, energy is liberated as nuclear reactions proceed inside the core. As this happens, the mass of the nuclei random sample of 199 auditors, 104 indicated some measure of agreement with this statement: Cash flow is an important indication of profitability. Test at the 10% significance level against a twosided alternative the null hypothesis that one-half of the members of this population would agree with this statement. Also find and interpret the p-value of this test. 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Given an array of 100 random numbers in the range 1999, write a function for each of the following processes. In building the array, if the random number is evenly divided by 3 or 7, store it as a negative number.a. Print the array ten values to a line. Make sure that the values are aligned in rows.b. Print the odd values, ten to a line.c. Print the values at the odd numbered index locations, ten to a line.d. Return a count of the number of even values.e. Return the sum of all values in the array.f. Return the location of the smallest value in the array.g. Return the location of the largest value in the array.h. Copy all positive values to a new array. Then use process "a" above to print the new array.i. Copy all negative values to a new array. Then use process "a" above to print the new array. QUESTION 17 At what annual interest rate will $1,000 invested today be worth $2,000 in 10 years? (Choose the closest answer) 6.5% 7.2% 9.3% 5.8% Reliability 3. 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ABC issues 14,000 shares of common stock to investors on January 1 for cash, with the investors paying cash of $24 per share. The par value of the stock is $5 per share.What is the amount applied to additional paid in capital?3. On January 1st, ABC company issues a stock dividend of 18%. ABC has 101,000 shares outstanding with a par value of $1. ABC also has 210,000 shares authorized. The market price per share January 1st is $32.What is number of new shares issued for stock dividend?4. On January 1st, ZYX company purchased 1,200 shares of its own stock at $36 per share. On January 20th, ZYX later reissues or sells 264 shares of treasury stock for $14 per share. On January 20th, the balance in Additional paid in capital-Treasury stock is credit balance of $68,000.What is the amount debited to Additional Paid in Capital- Treasury Stock on January 20th?5. ABC issues 22,000 shares of preferred stock to investors on January 1 for cash. The 6% $8 par value preferred shares are sold $24 per share.What is the amount applied to additional paid in capital preferred stock?6. ABC issues 19,000 shares of preferred stock to investors on January 1 for cash. The 9% $11 par value preferred shares are sold $14 per share.What is the amount applied to preferred stock?7. On January 1st, DEF company has 149,000 shares authorized, 95,000 shares issued and 78,000 shares outstanding. On January 1st, DEF declares a dividend of $10 to shareholders of record on January 15th. On February 1st, DEF will pay the dividend.What is the dollar amount of dividends declared on January 1st?8. On January 1st, ZYX company purchased 1,000 shares of its own stock at $21 per share. On January 20th, ZYX later reissues or sells 278 shares of treasury stock for $45 per share.What is the amount credited to Additional Paid in Capital-Treasury Stock on January 20th?9. On January 1st, ZYX company purchased 1,500 shares of its own stock at $32 per share. On January 20th, ZYX later reissues or sells 358 shares of treasury stock for $44 per share.What is the amount credited to Treasury stock on January 20th?10. ABC has 320,000 authorized, 250,000 shares issued and 102,000 shares outstanding. ABC issues a 7/1 stock split (for every 1 share owned by an investor, the investor gets 7 shares). Sam has 200 shares of stock. After the stock split, how many shares of ABC stock does Sam have? At the end of the twelfth paragraph ("For a moment.falling"), Matilda's mother's memory of how she didn't know whether to look at an airplane or a coconut recalls herA) inability to make decisionsB) fanciful imaginationC) unstable relationship with her daughterD) disoriented perspectiveE) conflicting memories of the past which of the following pairs of ions is arranged so that the ion with the smaller charge density is listed first? group of answer choices k , rb cl, br ca2 , ba2 cl, k The first four primes are 2.3.5 and 7. a Find integers had such that 2a + 3b + 50 + 7 = 2. b Hence find integers & b c d such char 2a + 3b + 5c + 7d = 14 Find integers & csuch that 2a +36 + 5 = What is valid critique of kohlberg's theory of moral development? observe the decay of polonium-211. write a nuclear equation representing the decay of po-211