SOMEONE HELP ME PLEASE

Answer:

Salt and water

Explanation:

The reaction of an acid and a base forming a salt and water.

Answer + Explaination: A beam of light bends when it passes into a new medium because light travels slower in denser medium.

Answer:

A, and C are foods that wolves eat.

Explanation: Hope this helps

Answer:

I don't know what is the answer of it

Answer:

Standard pressure is always 1.00atm. Example #1: How many moles of oxygen will occupy a volume of 2.50 L at STP? Standard temperature = 273K law.

Explanation:

Answer:

2.07 atm

Explanation:

Answer: 0.83 m/s

Linear motion consists of 2: constant velocity motion with constant velocity and uniformly accelerated motion with constant acceleration

Answer:

Science Question: What will the combination of the resources I use to make this new chemical do to different living organisms and non-living organisms around an environment?

Non-Science Question: What should we call this new chemical?

Explanation:

I hope this helps! If you don't like these questions I've got a few more that may work to your liking! :)

#4

c is right above the earth's crest so it absorbs most earth .so highest temperature

#5

a is at top hence least heat absorbs so least temperature

#6

Answer:

I will assume that the moles are all mistyped and will change them to:

4.64, 25.9, and 2.73.

15.2 liters

Explanation:

Both situations can be described using the ideal gas law:  

PV=nRT,

where P, V, and T are the pressure, volume, and temperature (in degrees K).  n is the number of moles.  R is the gas constant.

First NO2 :      P1(25.9L) = (4.64moles)RT

Second NO2: P2V2 = (2.73moles)RT2

Divide one equation by the other:

(P1(25.9L)  =  (4.64)RT1)      

  P2V2 = (2.73)RT2          

The temperatures, pressures, and gas constants are unchanged, so we can cancel those to obtain:

(25.9L)/V2 = (4.64/2.73)

V2 = (25.9L)(2.73/4.64)

V2 = 15.2 Liters

Explanation:

3.Apply the ideal gas law: PV = nRT solving for n. Here you can use the pressure given in atm, but you must choose the 0.0821 atm L/mole K gas constant. Or you can change 4.5 atm to 3420 mm Hg and use the 62.4 mmHg L/mole K gas constant. You must change 500 ml to 0.5 L because both gas constants have units in L, and so the volume must be in liters so it can cancel out. And of course, you must change the temperature to Kelvin.

a. n = (4.5atm)(0.5L)

moliK)(298K) = 0.092 mole (0.0821 atmiL

b. 0.092mol 32g

⎛⎝⎜ ⎞⎠⎟ = 2.9 g

1mol

c. Remember that D = mass

vol so D = 2.9g

0.5L = 5.9 g/L

Answer:

C: 10m

Explanation:

Work Done = Force x Distance

500 = 50 x Distance

To get to 500 multiply 50 by 10!

So, the box slid 10m.

Hope this helps and have a good day! ;D

Answer:

441.81 mL

Explanation:

P1 x V1 = P2 x V2

V2 = P1 x V1 / P2

V2 = 608 x 545 / 750

V2 = 331360 / 750

V2 = 441.81 mL

MARK AS BRAINLIEST.

Answer:

For every 1 Ca(NO3)2 there are six (2 * NO3 or 2 * 3 O) oxygens. If you have 3 mole of Ca(NO3)2 then you have 18 mole of oxygen atoms (3*6).

Explanation:

Answer:

it’s called a product

Explanation:

think of the different chemicals as a math problem you add two or more things together and you get the product

A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.

Answer:

C2H5

Explanation:

you first find the number of moles of both substances then divide by the lowest number in this case carbon was 1 and hydrogen was 2,515... then you multiply by a whole number which was 2 then it was now C2H5

Hope you could understand.

If you have any query, feel free to ask.

The appearance of ions in solution makes a solution to conduct electricity.

Conductivity refers to the flow of current through a solution.

1) There is an evidence that reaction has occurred because of the formation of a precipitate

2) The conductivity decreases as more H2SO4 was added.

3) The indicator of the number of ions in the solution is the current recorded.

4) This evidence indicates that a reaction has occurred because the formation of a precipitate decreases the current.

5)  Ba(OH)2(s) ---->  Ba^2+(aq) + 3OH^-(aq)

H2SO4(aq) ---> 2H^+(aq) + SO4^2-(aq)

6) When the conductivity is at the minimum, It means that the   Ba(OH)2 is largely undissociated.

7) It does not conduct at a low point because there are no ions in solution.

8) It conducts more before and after this minimum point because of more ions in solution.

Learn more about conductivity: https://brainly.com/question/5816303

Answer:

The Answer Is B.

Explanation:

Give Brainliest.

Based on the data provided;

The ideal gas equation relatesthe pressure, volume, moles and temperature of a gas.

The moles of helium gas is calculated using the Ideal gas equation:

n is the number of moles of gas

R is molar gas constant = 8.314 L⋅kPa/Kmol

P is pressure = 239 kPa

T is temperature = 21°C = 294 K

V is volume = 12.8 L

Therefore;

n = PV/RT

n = 239 × 12.8 / 8.314 × 294

n = 1.25 moles

The number of moles of helium gas is 1.25 moles

At peak temperature, T = 46°C = 319 K

Using P1/T1 = P2/T2

P2 = P1T2/T1

P2 = 239 × 319/294

P2 = 259.3 kPa

The pressure at peak temperature is 259.3 kPa

At 42°C, T = 315 K

Using P1/T1 = P2/T2

P2 = P1T2/T1

P2 = 239 × 315/294

P2 = 256.07 kPa

Since the internal pressure is above 256 kPa, the balloon will burst.

The pressure should be reduced to a value less than 256 kPa by reducing the temperature.

Learn more about gas ideal gas equation at: https://brainly.com/question/12873752

Measurement units are the defined units used for the particular dimensions and proportions. 3500 milliseconds are there in seconds.

Time is defined as the rate of things occurring or taking place and is given by seconds, minutes, hours etc.

Using  the conversion factor the relation between the seconds and milliseconds is:

1 second = 1000 miliseconds

Convert 3.5 seconds into milliseconds using conversion factor:

[tex]\begin{aligned}3.5 \;\rm seconds &= 3.5 \times 1000 \\\\&= 3500 \;\rm miliseconds\end{aligned}[/tex]

Therefore, option C. 3500 milliseconds is correct.

Learn more about time and second here:

https://brainly.com/question/2025518

Answer:

3500 ms

Explanation:

Answer:

Period

Explanation:

I believe your answer should be period.

I hope it helps! Sorry if it didn’t… Have a great day!

Layla~

Answer:

A. Pentane- 1,5-diamine

Explanation:

I just did this in chemistry today

Answer:

The other person is correct.

Explanation:

You should give him brainiest.

Answer:Tthe liquid in a graduated cylinder curves up at the edge where the liquid meets the wall of the cylinder. This curve in the liquid is called the meniscus and is used to determiine the volume of liquid in a graduated cylinder by observing the measurement tick closest to the bottom of the meniscus.

Explanation:

Hope it helps :D

Answer:

▪ Will it make a difference if we swap the anode and cathode in electroplating?

➢ If we interchange the two terminals after electroplating then the ions deposited on the plate will move again towards their original position.

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#CarryOnLearning

Explanation:

if we change the two terminals after electroplatingthen the ions deposited on the plate will move again towards their original position...

Answer:

grab life by the balls and tell him. what harm will it do? you only live once

Answer:

start hanging out with him more

Explanation:

then gradually start giving hints or just ask him striaght up