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Katen [24]
3 years ago
15

Under constant conditions, the half-life of a first-order reaction ________. a does not depend on the initial reactant concentra

tion b is constant c is the time necessary for the reactant concentration to drop to half its original value d can be calculated from the reaction rate constant e all of the above are correct.
Chemistry
1 answer:
Kamila [148]3 years ago
4 0
A. it does not depend on the initial concentration of the reactant. 
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What Group is Zn (zinc) in?<br> O A. 4<br> O B. 2A<br> O C. 12<br> O D. 30
Oxana [17]
I believe it’s (C.12)
3 0
4 years ago
WILL GIVE BRAINIEST ANSWER A chemical equation has different numbers of atoms on the left and right sides.
Alinara [238K]

Answer:

Unbalanced

Explanation:

You need to have the same number of atoms on both sides for it to be balanced

4 0
1 year ago
The density of gold is 19.3 g/cm³. What is the mass of 11.3 cm³ of gold?
telo118 [61]

Answer:

218.09g

Explanation:

the formula for density is mass/volume

you have volume so rlly what you have is 19.3g/cm3=m/11.3cm3

so mass equals density x volume

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4 0
3 years ago
1. Convert 67500 mg to the unit hg
Mice21 [21]

Answer:

0.675

Explanation:

4 0
4 years ago
The pressure of a 5.0 L sample of gas changes from 3.0 atm to 10.0 atm while the temperature remains constant. What is the gas’s
lina2011 [118]

Answer:

<h2>The answer is 1.5 L</h2>

Explanation:

The new volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we are finding the new volume

V_2 =  \frac{P_1V_1}{P_2}  \\

From the question we have

V_2 =  \frac{5 \times 3}{10}  =  \frac{15}{10}  =  \frac{3}{5}  \\

We have the final answer as

<h3>1.5 L</h3>

Hope this helps you

8 0
3 years ago
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