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Vladimir79 [104]
3 years ago
5

Colder air tends to have _____.

Chemistry
1 answer:
iogann1982 [59]3 years ago
8 0

Answer:

I believe the answer is D

Explanation:

C is not correct

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Which chemical symbols will complete the equation for this single displacement reaction?
ale4655 [162]
Would it be Sodium chloride + water?
6 0
3 years ago
1.) Calculation: If 9.02 x 1024 particles of vinegar (HC2H3O2)HC2H3O2) are added to 16.5 moles of eggshell (CaCO3) and 6.35 mole
blsea [12.9K]

The theoretical yield of acetate is 2607 g. The actual yield of acetate is 1066.8 g. The percentage yield of acetate is 41%.

If 1 mole of vinegar contains 6.02  x 10^23 particles

x moles of vinegar contains 9.02 x 10^24 particles

x = 1 mole x 9.02 x 10^24 /6.02 x 10^23

x = 15 moles of vinegar

The reaction is as follows;

2HC2H3O2 + CaCO3 -----> Ca(C2H3O2)2 + H2O + CO2

Since 2 moles of vinegar reacts with 1 mole of carbonate

x moles of vinegar reacts with 16.5 moles of carbonate

x =  2 moles x 16.5 moles/ 1 mole

x = 33 moles of vinegar

We can see that the vinegar is the reactant in excess hence the carbonate is the limiting reactant.

Theoretical yield = 16.5 moles x 158 g/mol = 2607 g

Actual yield = 6.35 moles  x 158 g/mol = 1066.8 g

Percent yield = 1066.8 g/2607 g × 100/1

= 41%

Learn more: brainly.com/question/13440572?

7 0
3 years ago
How many moles of water, H2O, contain 2.0×1022 molecules of water? (See the hints for assistance in interpreting scientific nota
hammer [34]
You have to use Avogadro's number which is 6.02x10^23.  The units of Avogadro's number is molecules/mole so you divide the number of molecules by Avogadro's number which will give you the number of moles.
(2.0x10^22 molecules)/(6.02x10^23 molecules/mole)=0.033 moles
5 0
3 years ago
What happens to a light wave that travels through glass and strikes a
Mademuasel [1]

Answer:D

it reflects back into the air moving the opsite direction.

i hope this helps :)

8 0
2 years ago
Solid magnesium (Mg) is easier to cut than solid potassium (K). true or false?:
coldgirl [10]
False. All Group 1 metals are soft and easily cut with a knife. Magnesium is under Group 2 and it is a hard and strong metal. Hence, it is false.
6 0
3 years ago
Read 2 more answers
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