The effluent flow in concentration and particulate mass flow will be 0.198m³/sec.
How to calculate the effluent flow?It should be noted that the total inflow will be equal to the total outflow. Therefore,
0.2 + 0.048 = 0.05 + We
Collect like terms
Qe = 0.2 + 0.048 - 0.05
Qe = 0.198m³/sec
The concentration will be:
= (360 × 1000)/0.05
= 7200mg/L.
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What atoms have the most positive overall charge to least positive
overall charge.
Atom B: 24 protons, 18 electrons
Atom P: 7 protons, 10 electrons
Atom X: 104 protons, 102 electrons
Atom Q: 15 protons, 16 electrons
When writing a net ionic equation the sum of the charges for reactants is greater than the sum of charges for products
Please select the best answer from the choices provided
OT
OF
Answer:
Explanation:
Net ionic equations must be balanced by both mass and charge. Balancing by mass means ensuring that there are equal masses of each element on the product and reactant sides. Balancing by charge means making sure that the overall charge is the same on both sides of the equation.
What completely ionizes in solution
Answer:
Strong acids. hope this helps :)
How do we use Chemistry everyday?
Answer:
Discoloration of leaves.
Food Digestion.
Common salt.
Icefloating on water.
Tears while chopping onions.
Sunscreen.
Medicines.
Hygiene.
i gave you 8 answers. :)
Question 29 of 30
The thermochemical equation for the reaction of pentane and oxygen is
shown below. What does the equation tell you about the reaction?
C,H,(g)+80,(g) → 500,(g) + 6H2O(g) + 3536 kJ
O A. It is endothermic.
B. It has a low activation energy.
C. It has a high activation energy.
D. It is exothermic.
At 27.0 °C a gas has a pressure of 6.00 atm. What will the pressure be at 150.0 °C?
how many mL of 0.1M HCl are required to react completely with 1 g mixture of [tex] Na_{2}CO_{3}[/tex] and [tex] NaHCO_{3} [/tex] containing equimolar amounts of both ?
ty! :)
Answer:
158 mL
158 mL of 0.1 M of HCl is required to react completely with 1 g mixture of Na2CO3 and NaHCO3, containing equimolar amounts of both
Explanation:
hope helpez -,-~
btw masoom bachi copied me~
Please help!!! Only one try. Explain why the answer is the right answer
Which equation is an example of artificial transmutation
Answer:Nitrogen can be transformed into oxygen by bombarding an alpha particle into the nucleus of nitrogen. An atom of hydrogen is produced as part of the transformation. Aluminum is transformed into phosphorous by combining the nucleus with an alpha particle
Explanation:
What is the name of the functional group that is attached to this hydrocarbon?
H
H
• alkyl halide
alcohol
carbonyl
ketone
Two molecules having different sizes but the same functional groups will take part in chemical reactions. Functional groups are used in the field of organic chemistry. Here the given molecule has ketone functional group. The correct option is D.
What are functional groups?The substituent atoms or groups of atoms which are attached to specific molecules are defined as the functional groups. These moieties are responsible for the chemical reactions. The same functional group will experience comparable reactions regardless of the chemical in which it is present.
A ketone is a functional group which consists of a carbonyl carbon bound to an oxygen atom by a double bond and two alkyl or aryl groups. Ketones are usually represented as RCOR, where two R's can be any alkyl or aryl group. Their general formula is CₙH₂ₙO.
Lower ketones are soluble in water because they consist of the polar carbonyl group.
Thus the correct option is D.
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Okay which is the answer
Answer:
KOH
Explanation:
When ionic compounds (a metal and a nonmetal) dissolve, they are good conductors of electricity, and would result in the brightest light. Weak bases and covalent compounds do not dissolve, so KOH, a strong base and ionic compound, would dissolve and conduct electricity.
What environment will produce the largest crystal sizes?
Construct a short Essay (Make sure you include information about Temp, Pressure, amount of dissolved solids, & cooling time)
Is there support for your Claim?
At 20°C, the volume of chlorine gas is
15dm3. Compute the resulting volume
if the temperature is adjusted to 318K
provided that the pressure remains
the same.
Given:
Unknown:
Formula:
Solution:
Final Answer:
Solving typed question by you
20°C=293KApply charles law
V1T2=V2T115(318)=293V2V2=16.27dm³Answer:
See below ~
Explanation:
Typed question
Given :
T₁ = 20 °C = 293 KV₁ = 15 dm³T₂ = 318 KUnknown :
V₂Formula :
V₁/T₁ = V₂/T₂Solution :
15/293 = V₂/318V₂ = 318/293 x 15V₂ = 1.09 x 15V₂ = 16.35 dm³Final Answer :
16.35 dm³Question 3 (in attachment)
Given :
V₁ = 600 mLP₁ = 700 torrV₂ = 600(1 - 1/3) = 600(2/3) = 400 mLUnknown :
P₂Formula :
P₁V₁ = P₂V₂Solution :
700 x 600 = P₂ x 400P₂ = 600/400 x 700P₂ = 1.5 x 700P₂ = 1050 torrFinal Answer :
1050 torrWhat type of energy is being used by the roller coaster at each point? 8 9) 10) 11) 8) 9) 10) 11) A) Potential Energy A) Gaining Potential Energy A) Potential Energy A) Gaining Potential Energy B) Kinetic Energy B) Gaining Kinetic Energy B) Kinetic Energy B) Gaining Kinetic Energy
Answer:
Answers are below !
Explanation:
8) A) Potential Energy
9) B) Gaining Kinetic Energy
10) B) Kinetic Energy
11) A) Gaining Potential Energy
The concentration of an unknown protein sample was determined as 8.3 mg/ml. Calculate the concentration of the unknown protein in mM (millimolar) if: Average molecular mass of an amino acid = 118 g/mol The protein is 64 amino acids in length.
Based on the molar mass of the protein, the concentration of the unknown protein is 0.0011 mM (millimolar).
What is concentration?Concentration is the amount of a solute present in a given volume of substance.
Concentration = moles/volumeMoles of protein = mass/molar mass
molar mass of protein = 118 × 64 = 7552 g/mol
Moles of protein in 8.3 g = 8.3/7552 = 0.0011 moles
Concentration = 0.0011 mole/mL = 0.0011 mM.
Therefore, the concentration of the unknown protein is 0.0011 mM (millimolar).
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What is the molecular mass
How many grams of rubidium are in 2.39 x 10^24 atoms of rubidium?
Avogadro's number is the number of the particles in a mole of a substance. There are 339 grams of (Rb) rubidium in the sample.
What are atoms?Atoms are the fundamental of the matter that is unsplittable into fine particles.
We know, that 1 mole = 6.022 x 10²³ atoms
So, moles in 2.39 x 10²⁴ atoms will be calculated and converted into mass by using the molar mass of the substance.
2.39 x 10²⁴ × (1 ÷ 6.022 x 10²³) × 85.468 = 339 g Rb
Therefore, 339 g Rb is present in the sample.
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Which explanation describes the last part of a chemical reaction?
Reactants collide to form a transition state.
Transition state falls apart to form products.
Products collide to form reactants.
Reactants collide to form products.
I am not sure between Reactants collide to form a transition state and Transition state falls apart to form products. please put an explanation.
Answer:
Transition state falls apart to form products.
Explanation:
Reactants collide to form a transition state is actually the initial step (not the last step) because reactants have react with each other. Transition state is the middle stage, once this stage falls or passes, you get products. I have attached an example reaction scheme to better understand.
Which is it ? U think
Answer:
A
Explanation:
Took the test
water comes from different a.levels b.phases c.sources d.stages
Answer:
C. sources
Explanation:
How many molecules of hydrogen fluoride (HF) are in (8.5x10^-2) moles of hydrogen fluoride (HF)?
Molecules and the moles can be interconverted into each other with the help of the Avogadro's number. In 8.5 x 10⁻² moles of hydrogen fluoride, there are 51.17 × 10²¹ molecules.
What is Avogadro's number?Avogadro's number is the special number that converts the moles into molecules and vice versa. The value of the Avogadro's number is 6.02 x 10²³.
If 1 mole of HF has 6.02 x 10²³ molecules then,
8.5 x 10⁻² moles of HF will have:
(8.5 x 10⁻²) × 6.02 x 10²³) = 51.17 × 10²¹
Therefore, 51.17 × 10²¹ molecules are present in HF.
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If 22.5L of nitrogen at 0.98 atm is compressed to 0.95 atm,what is the new volume?
At constant temperature, if the pressure is compressed to the given value, the volume of the nitrogen gas increases to 23.2L.
What is Boyle's law?Boyle's law simply states that "the volume of any given quantity of gas is inversely proportional to its pressure as long as temperature remains constant.
Boyle's law is expressed as;
P₁V₁ = P₂V₂
Where P₁ is Initial Pressure, V₁ is Initial volume, P₂ is Final Pressure and V₂ is Final volume.
Given that;
Initial volume of the gas V₁ = 22.5LInitial pressure of the gas P₁ = 0.98atmFinal pressure of the gas P₂ = 0.95atmFinal volume of the gas V₂ = ?P₁V₁ = P₂V₂
V₂ = P₁V₁ / P₂
V₂ = (0.98atm × 22.5L) / 0.95atm
V₂ = 22.05Latm / 0.95atm
V₂ = 23.2L
Therefore, at constant temperature, if the pressure is compressed to the given value, the volume of the nitrogen gas increases to 23.2L.
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Which one of the following statements about nuclear reactions is false?
(a) Particles within the nucleus are involved.
(b) No new elements can be produced.
(c) Rate of reaction is independent of the presence of a catalyst.
(d) Rate of reaction is independent of temperature.
(e) They are often accompanied by the release of enormous amounts of energy.
The statement 'No new elements can be produced' about nuclear reactions is false (Option b).
What are nuclear reactions?Nuclear reactions are specific reactions that involve atomic nuclei such as fusion reactions and fision reactions.
The atomic nuclei are composed of particles that can react to form new atoms (i.e., protons and neutrons).
In conclusion, the statement 'No new elements can be produced' about nuclear reactions is false (Option b).
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Drink mix compound what is the formula for drink mix compound
Answer:
Is drinks a compound or mixture?
Drinks are usually solutions of various substances dissolved in the water. Since the amount of each of these can vary (sugar, flavoring, color, carbonation), it’s a mixture. The components can be separated by various physical methods such as evaporation. Is smoke a compound or a mixture? Smoke is a mixture.
Help! 100 point and I will give a brainliest and 5 star for solving this question.
100ml of 0.1 N H2SO4 by diluting from original H2SO4.
Atomic mass of: O=16 , H=1 S=32
d H2SO4=1.08 purity%=98%
i need the solution.
Mass of H_2SO_4 required
Molarity
Moles of solute/Volume of solution in LSo
0.1=n/0.1Ln=0.1(0.1)n=0.01molNow molar mass of H_2SO_4
2(1)+32+4(16)2+32+6498g/molMass
98(0.01)0.98gMilk in a bottle has a mass of 442grams and a volume of 425cubic centimeters. Calculate its density. Write your answer to the hundredths place. gramspercubic centimeter
Answer:1.04 grams per cubic centimeter
Explanation:
Which do you predict to have the greater electron affinity, Na or Na+ ? And why?
The drawing shows a chemical reaction between hydroxide and bromomethane to produce methanol and bromide ion. The middle drawing is the activated complex. The reaction is exothermic.
Which species has the lowest energy?
A
B
C
Item 4
Item 4
Answer:
C.
Explanation:
Exothermic means the energy of products is lower than energy of reactants. Transition state will always be the highest energy among the two.
1. 24.76 grams of potassium carbonate (K2CO3) is reacted with an excess of aluminum nitrate (Al(NO3)3) to produce potassium nitrate (KNO3) and aluminum carbonate (Al2(CO3)3). How many grams of the product Al2(CO3)3 is formed? Round to the nearest hundredth.
Excess reagents are the chemical species that remain after the reaction completion. 14 gms of aluminum carbonate will be formed.
What are grams?Grams are the unit of the mass that is defined by the product of the moles and the molar mass of the substance.
The balanced chemical reaction is shown as:
3 K₂CO₃ + 2 Al(NO₃)₃ → Al₂(CO₃)₃ + 6 KNO₃
From the reaction, it can be said that 2 moles of aluminum nitrate are required to produce a mole of aluminum carbonate.
Moles of potassium carbonate are calculated as:
Moles = 24.76 gm ÷ 138.205 g/mol = 0.179 moles
If 3 moles of potassium carbonate produce 1 mole of aluminum carbonate, then 0.179 moles will produce 0.059 moles.
From the moles, mass is calculated as:
Mass = moles × molar mass
= 0.059 moles × 234.08 g/mol
= 13.97 gms
Therefore, 14 gms of aluminum carbonate will be formed.
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Heat flows–
A. from high places to low place.
B. from colder places to hotter places.
C. from hotter places to colder places.
D. from low places to high places
Answer:
A. from high places to low places
What solution does ?