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jeka94
3 years ago
14

Adenosine triphosphate is the:

Chemistry
2 answers:
ss7ja [257]3 years ago
8 0

Answer:

A

Explanation:

It is the energy molecule.

Nadya [2.5K]3 years ago
7 0
C. Cellular respiration
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The direction of heat flow is from surroundings to system (air to ice), the dry ice is subliminating.
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Some properties of liquid water are very different from those of solid water (ice). Explain why freezing is considered a physica
drek231 [11]

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A chemical change is a change in the chemical makeup of a substance and results in a new substance. Ice and water both have the same chemical makeup - ice is just a different state and has the same atoms but in an expanded form.

Explanation:

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3 years ago
How are acids and bases defined by bronsted lowry?​
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A Bronsted-Lowry acid is a chemical species that donates one or more hydrogen ions in a reaction. In contrast, a Bronsted-Lowry base accepts hydrogen ions. When it donates its proton, the acid becomes its conjugate base. A more general look at the theory is as an acid as a proton donor and a base as a proton acceptor. :)

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3 years ago
A solution is prepare using 45.2 g of an unknown (nonelectrolyte) dissolved in 476.4 g of water. The freezing point depression
Ray Of Light [21]

Answer:

94.4g/mol is molar mass of the unknown

Explanation:

Based on the freezing point depression equation:

ΔT = Kf*m*i

<em>Where ΔT is the depression in freezing point (1.87°C)</em>

<em>Kf is freezing point depression constant of water (1.86°Ckg/mol)</em>

<em>And i is Van't Hoff factor (1 for nonelectrolyte solutes)</em>

<em />

Replacing:

1.87°C = 1.86°CKg/mol*m*i

1.005mol/kg solvent = m

Using the mass of the solvent we can find the oles of the nonelectrolyte:

1.005mol/kg solvent * 0.4764kg = 0.479moles

Molar mass is defined as the ratio between mass of a substance in grams and moles, that is:

45.2g / 0.479mol =

<h3>94.4g/mol is molar mass of the unknown</h3>
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2 years ago
How many moles in 250g of CBr 4
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Answer:

fzdfxbgfdgbfbfggf

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