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nata0808 [166]
3 years ago
13

Define an independent variable in an experiment. Explain the term with respect to the solubility of salt at different temperatur

es
Chemistry
1 answer:
nekit [7.7K]3 years ago
6 0

Independent variable would be salt since you can't change it in this experiment.

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8.7 Two products are formed in the following reaction in a 50:50 mixture. Would the resulting solution be optically active
k0ka [10]

Answer:

Yes. The solution would be optically active.

Explanation:

Diastereomer are defined as the image that is non mirror and non -identical. It is made up of two stereoisomers. They are formed when the two stereoisomers or more than two stereoisomers of the compound have the same configuration at the equivalent stereocenters.

In the given context, as the product given is a diastereomeric mixture, the product would have an optical activity in total.

So the answer is Yes.

4 0
2 years ago
Of the following choices, pick all that are uses for radiation. Check all that
Novosadov [1.4K]
A B C these are the answers hopes this help <3
8 0
2 years ago
A 0.5376 g sample of an unknown compound is found to contain 0.3044 g of carbonate. Could this compound be calcium carbonate?
shepuryov [24]
Calcium carbonate has the formula: CaCO3
From the periodic table:
mass of calcium = 40 grams
mass of carbon = 12 grams
mass of oxygen = 16 grams
Therefore,
molar mass of CaCO3 = 40 + 12 + 3(16) = 100 grams
molar mass of carbonate = 12 + 3(16) = 60 grams

One mole of calcium carbonate contains one mole of carbonate. Therefore, 100 grams of CaCO3 contains 60 grams of CO3.
If the 0.5376 grams of the unknown substance is CaCO3, then the amount of carbonate will be:
amount of carbonate = (0.5376*60) / 100 = 0.32256 grams

Based on the above calculations, the sample is not CaCO3
6 0
3 years ago
Which statement is true about the force of gravity? A. The earth has a greater gravitational effect than the sun. B. The moon ha
Georgia [21]
Answer is: <span>D. The sun has a greater gravitational effect than the earth. 
</span>Gravity as a force which causes any two bodies to be attracted to each other. The gravitational effect<span> increases as the size of an object increases. </span><span>Earth s surrounded by its own gravitational field.</span>

3 0
3 years ago
Which three of the five items would be best to include in a safety contract?
ValentinkaMS [17]
Student Safety Contract - Flinn Scientific
ties which require the use of hazardous chemicals. Safety in ... vided to you in this student safety contract. ... 3. Never work alone. No student may work in the laboratory without an instructor ... Look for things such as.
Missing: five ‎| Must include: five
7 0
3 years ago
Read 2 more answers
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