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Bess [88]
4 years ago
12

Baking soda reacts with vinegar and forms a gas why is it chemical

Chemistry
2 answers:
777dan777 [17]4 years ago
4 0
Its a chemical reaction because both are affected by the reaction and changed. hope this helps (ू• o •ू )
pantera1 [17]4 years ago
3 0
It is a chemical reaction because both change and cannot be returned to their previous form
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The use of existing information in books, articles, and electronic databases is known as Group of answer choices Primary researc
BARSIC [14]

Answer:

Secondary research  

Explanation:

Secondary research involves using already existing data, like what can be found in in books, articles, and electronic databases.

A is wrong. Primary research is the research that you do to obtain new information, as in experiments or in interviews and surveys.

B is wrong. Qualitative research is the gathering of non-numerical data.

C is wrong. Summative research is done at the end of a project to determine its success. It can also point the way to future research projects.

5 0
3 years ago
Select the correct answer. Why is it important to include recovery time in a workout program? A. It prevents you from getting bo
Bingel [31]

Answer:

C) It allows your body time to rest.

Explanation:

Hope this helps!

4 0
3 years ago
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Question 16
viva [34]

Answer: D

I think it should be NH_{4} NO2

NH_{4} NO_{2} →N_{2} +2 H_{2}O

Explanation:

3 0
3 years ago
Need to know how many grams of Cr2O3 can react with 50.0 grams os Si?
larisa86 [58]
It will be great if you searched on the internet then just questioning it on here because on here it takes a bit to get that so might as well google it
5 0
3 years ago
How many grams of water react to form 7.21 moles of Ca(OH)2
oksano4ka [1.4K]

You have the stoichiometric equation. This tells you unequivocally that an  

18

⋅

g

mass of water, 1 mole, reacts with a  

56.07

⋅

g

mass of quicklime to form a  

74.09

⋅

g

mass of slaked lime.

If you don't from where I am getting these numbers, you should know, and someone will be willing to elaborate.

Here, you have formed  

6.21

⋅

m

o

l

of quicklime which requires stoichiometric lime AND water. And thus you need a mass of  

6.21

⋅

m

o

l

×

18.01

⋅

g

⋅

m

o

l

−

1

water  

≅

88

⋅

g

.

In practice, of course I would not weigh out this mass. I would just pour  

100

−

200

⋅

m

L

of water into the lime.

7 0
3 years ago
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