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masya89 [10]
3 years ago
7

The reaction A + 2B occurs in one step in the gas phase. In each blank below, write the exponent of the concentration in the FOR

WARD rate law or write none if that concentration does not appear in the rate law.
[A] ...........
[B] ..........
[C] ...........
Chemistry
2 answers:
strojnjashka [21]3 years ago
6 0

Answer:

see below

Explanation:

for A + 2B => Products ...

Rate Law => Rate =k[A][B]ˣ

As shown in expression, A & B are included, C is not.

Contact [7]3 years ago
6 0

Answer:

Exponent of a is 1, exponent of b is 2 and exponent of c = 0

Explanation:

or the rate equation is the expression which relates the rate of the reaction with the concentration of pressure of the reactants. The rate law is expressed in terms of the molar concentration of the reactants with each term raised to power its stoichiometric coefficient.

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Foods that are high in blank have the least impact on slowing the body's absorption rate of alcohol.
Yuki888 [10]

Foods that are high in carbohydrates have the least impact on slowing the body's absorption rate of alcohol.

What is human digestive system?

The digestive system of the human body is made up of the gastrointestinal tract and additional digestive organs (the tongue, salivary glands, pancreas, liver, and gallbladder). In order for food to be absorbed and incorporated into the body, it must first be broken down into smaller and smaller components during digestion. Cephalic, gastric, and intestine phases make up the three

Our body will immediately start absorbing alcohol when you are hungry. However, because alcohol is not soluble in fat, fatty foods effectively create a barrier through which it cannot easily travel. This will greatly slow down alcohol absorption.

Hence, foods that are high in carbohydrates have the least impact on slowing the body's absorption rate of alcohol.

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3 0
1 year ago
2 NaOH + H2SO4 → 2 H2O + Na2SO4<br> How many grams of water are produced from 203.50 grams of H2S04?
ddd [48]

Answer:

m_{H_2O}=74.8gH_2O

Explanation:

Hello there!

In this case, according to the given chemical reaction, it is possible to realize there is a 1:2 mole ratio of sulfuric acid to water; thus, given the mass of the former and its molar mass (98.07 g/mol), it is possible to determine the mass of produced water as shown below:

m_{H_2O}=203.50gH_2SO_4*\frac{1molH_2SO_4}{98.07gH_2SO_4}*\frac{2molH_2O}{1molH_2SO_4}  *\frac{18.02gH_2O}{1molH_2O}\\\\m_{H_2O}=74.8gH_2O

Regards!

6 0
3 years ago
A rising tide is also known as what kind of tide
Softa [21]
A rising tide is also known as an occurrence between low tide to high tide.
7 0
3 years ago
Which of the following are observations? Select all that apply.
iris [78.8K]

Answer:

All are correct

Explanation:

3 0
3 years ago
Hydrogen can be extracted from natural gas according to the following reaction:
evablogger [386]

Answer:

There will be produced 379 grams of H2

The percent yield under these conditions is 7.45 %

Explanation:

Step 1: The balanced equation

CH4(g)+CO2(g) → 2CO(g)+2H2(g)

Step 2: Given data

Kp = 4.5*10²

Temperature = 825 Kelvin

Volume = 85.0 L

Mass of CH4 = 22.3 Kg

Mass of CO2 = 55.4 Kg

Molar mass of CH4 = 16.04 g/mole

Molar mass of CO2 = 44.01 g/mole

Step 3: Calculate moles of CH4

moles of CH4 = mass of CH4 / Molar mass of CH4

moles of CH4 = 22300 / 16.04 = 1390.3

Step 4: Calculate moles of CO2

moles of CO2 = mass of CO2 / Molar mass of CO2

moles of CO2 = 55400 / 44.01 = 1258.80 moles

Step 5: Calculate moles of H2

For 1 mole of CH4 we need 1 mole of CO2 to produce 2 moles of H2

so there will be produced 2*1258.8 = 2517.6 moles of H2

Step 6: Calculate theoretical mass of H2

mass of H2 = Number of moles of H2 * Molar mass of H2

mass of H2 = 2517.6 moles *2.02 g/mole = 5085.552 grams

Step 7: Calculate pressure of CH4

P*V = n*R*T

P =(n*R*T) / V

P = 1390.3*.0821*825/85 = 1107.86atm

Step 8: Calculate pressure of CO2

P*V = n*R*T

P =(n*R*T) / V

P = 1258.80*.0821*825/85 = 1003.08atm

Step 9

Kp= 4.5 *100 =[P(H2)^2 * P(CO)^2]/[P(CO2) * P(CH4)]

450=16X^4/[(1107.86-X)(1003.08-X)]

450=16X^4/[(1107.86)(1003.08)]

(1107.86)(1003.08)*450=16X^4

X = 74.77

We plug this value in for "X" in the ICE chart. Only H2 since thats what the problem wants.

for H2 (2 moles) so 2X = 2*74.77 = 149.54

Step 10: Calculate number of moles of H2

n = P*V/ R*T

n = (149.54 *85 )/(0.0821 * 825) = 187.66 moles H2

Step 11: Calculate mass of H2

mass of H2 = Number of moles H2 * Molar mass of H2

mass of H2 = 187.66 * 2.02 g/moles = 379.07 grams H2 ≈ 379 grams of H2

Step 12: Calculate the yield

(379 grams of H2 / 5085.552 grams of H2 ) * 100 % = 7.45 %

The percent yield under these conditions is 7.45 %

3 0
3 years ago
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