Diameter of the Balloon

Chemistry

1 answer:

elena-s [515]3 years ago

4 0

Answer:

A. air expands when heated.

Explanation:

hope this helps!

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When ethane (C2H6) burns, it produces carbon dioxide and water:

Hatshy [7]

When 2 moles burn 6 moles of O2 is produced !

so for 16 moles , (6/2)×16= 48 moles will be produced !

so answer is A , 48 moles !

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3 years ago

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One cup of fresh orange juice contains 115 mg of ascorbic acid (vitamin c, c6h8o6). given that one cup

kodGreya [7K]

The question is incomplete. Complete question is read as:
'One cup of fresh orange juice contains 115 mg of ascorbic acid (vitamin C, C6H8O6). Given that one cup = 218.0 mL calculate the molarity of vitamin C in organic juice.'
..........................................................................................................................
Answer:
Given: weight of solute (ascorbic acid) = 115 mg = 0.115 g
Volume of solution = 218.0 mL = 0.218 L
Molecular weight of ascorbic acid = 176.12 g/mol.

Now, Molarity = $\frac{\text{weight of solute(g)}}{\text{Molecular weight X Vol. of solution(l)}}$
= $\frac{\text{0.115}}{\text{176.12 X 0.218}}$
 = 0.002995 mol/dm3

Answer: Molarity of solution = 0.002995 mol/dm3

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3 years ago

A 17.0 g sample of CaSO4, is found to contain 5.00 g of Ca and 7.99 g of O. Find the mass of sulfur in a sample of CaSO4 with a

TEA [102]

For this question the answer is 32.065

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3 years ago

Lab: Thermal Energy Transfer

scoundrel [369]

Answer:

Thermal energy transfers occur in three ways: through conduction, convection, and radiation. When thermal energy is transferred between neighboring molecules that are in contact with one another, this is called conduction.

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2 years ago

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Which compound has the highest solubility in pure water?

Nuetrik [128]

A. Compound that has the highest solubility in pure water is caso4, ksp = 2. 4 x 10-5

More about CASO4:

The inorganic chemical with the formula CaSO4 and its associated hydrates are known as calcium sulphate (sometimes known as calcium sulphate). It serves as a desiccant in the form of -anhydrite (the anhydrous form).

Another hydrate is found naturally as the mineral gypsum, while one is more commonly known as plaster of Paris. It is employed widely in industries. Each form is a white solid that has a low water solubility. Water becomes permanently hard due to calcium sulphate.

CaSo4 is mostly used to produce plaster of Paris and stucco.

Learn more about CaSo4 here:

brainly.com/question/23898752

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1 year ago