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xeze [42]
4 years ago
8

Please check my answers? (image attached)

Chemistry
1 answer:
Gemiola [76]4 years ago
6 0
The first two answers are correct, but the last one is supposed to be 'molecule' not covalent bond <span />
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Zn + 2HCl → ZnCl2 + H2
sveticcg [70]

Answer:

6

Explanation:

6.0mol ( 1 mol H2/ 1 mol Zn ) = 6.0 mol of H2

H2 is hydrogen gas (hydrogen in the air).

4 0
3 years ago
Choose all the answers that apply.
Minchanka [31]

Answer:

All of the above. The CV system transports blood and plasma the do all 4.

7 0
3 years ago
Which of the following is the correct description of momentum?
Mars2501 [29]
You gave no choices. P = mv

mass (kg) * velocity (m/s)

3 0
4 years ago
What is k in the rate law equation?
REY [17]

Answer:

B. A rate constant

Explanation:

The mathematical expression of rate law is given below,

Rate = K[A]m[B]n

This rate law show the relationship between the rate of chemical reaction and concentration of reactants.

In given equation [A] and [B] are molar concentration of reactants while K represent rate constant.

The value of K is specific for particular reaction at particular temperature,

m and n are represent exponents and determine experimentally. The value of K is not depend upon the concentrations of reactant but depend upon the surface area and temperature

5 0
3 years ago
Read 2 more answers
If D+2 would react with E-1, what do you predict the formula to be. A) DE B)D2E C)DE2 D) D2E2
allochka39001 [22]
All you need to do the cross the charges and put it as suffixes. 

D+2 + E-1 ----> DE2

answer is C
5 0
3 years ago
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