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vekshin1
3 years ago
15

Entrance Question: What is a physical trait? Explain using complete sentences.

Chemistry
1 answer:
azamat3 years ago
6 0

Answer: A physical trait is a defining aspect or feature of your body or other subject that you can see visually.

Explanation:

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Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solutio
agasfer [191]

Answer:

Twice  as much.

Explanation:

That's because the freezing point depression depends on the total number of solute particles.

C₆H₁₂O₆(s) ⟶ C₆H₁₂O₆(aq)

0.01 mol of C₆H₁₂O₆ gives 0.01 mol of solute particles.

NaCl(s) ⟶ Na⁺(aq) + Cl⁻(aq)

1 mol of NaCl gives 0.01 mol of Na⁺(aq) and 0.01 mol of Cl⁻(aq).

That's 0.02 mol of particles, so the freezing point depression of 0.01 mol·L⁻¹ NaCl will be twice that of 0.01 mol·L⁻¹ C₆H₁₂O₆.

6 0
4 years ago
What is a reducing agent?​
Valentin [98]

Answer: Its an element or compound that loses (or "donates") an electron to an electron recipient (oxidizing agent) in a redox chemical reaction.

<u>CREDIT: Wikipedia</u>

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4 0
3 years ago
Read 2 more answers
What is the total amount of heat required to completely melt 347 grams of ice at its melting point?
Bogdan [553]
In order to calculate the amount of heat energy required to melt 347 grams of ice, we need to will apply the equation:
Q = ml, where m is the mass of substance and l is its latent heat of fusion. For ice, the latent heat of fusion is 334 joules per gram. Therefore:
Q = 347 x 334
Q = 112,558 joules of energy

Hope this helped.
7 0
3 years ago
Solve 123,000 m x 3,234 m = ?
Leya [2.2K]

Answer:

397782000 m²

Explanation:

Given data:

123000 m × 3234 m =?

Solution:

123000 m × 3234 m = 397782000 m²

when we multiply the given quantities having same unit i.e meter the answer should be m² . It could be the area, and its unit is m².

Area = length (m) × width (m)

3 0
3 years ago
Look at these two molecular diagrams and think about the features of the compounds.
Masteriza [31]

Answer:

a. are isomers of each other

b. have same molecular formula

d. are both hydrocarbons

e. have same number of each kind of atom

Explanation:

hope this helps!

3 0
3 years ago
Read 2 more answers
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