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skad [1K]
3 years ago
15

Which term describes “one or more cells that carry out all of the processes needed to sustain life”?

Chemistry
2 answers:
Sergio039 [100]3 years ago
7 0

Answer:

B. Organism

Explanation:

viva [34]3 years ago
4 0

Answer: The answer would be organism/organelle

If im wrong im srry!

Hope this helps!

Explanation:

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The change in enthalpy is the change in heat energy of a reaction and is calculated by (Hint: Hess' Law): Group of answer choice
Stolb23 [73]

Answer:

d. Sum of product enthalpies minus the sum of reactant enthalpies

Explanation:

The standard enthalpy change of a reaction (ΔH°rxn) can be calculated using the following expression:

ΔH°rxn = ∑n(products) × ΔH°f(products) - ∑n(reactants) × ΔH°f(reactants)

where,

ni are the moles of products and reactants

ΔH°f(i) are the standard enthalpies of formation of products and reactants

8 0
3 years ago
The heaviest commonly used United States coin is the half dollar, which has a mass of 11.340g. The lightest United States coin i
Kruka [31]

Answer:

13.6×10^3

Explanation:

11.340+2.268= 13.608

7 0
4 years ago
Select all statements that are correct:____
topjm [15]

Answer:

A, C and D are correct.

Explanation:

Hello.

In this case, since the relationship between the vapor pressure of a solution is directly proportional to the mole fraction of the solvent and the vapor pressure of the pure solvent as stated by the Raoult's law:

P_{vap}^{solution}=x_{solvent}P_{solvent}

Since the solute is not volatile, the mole fraction of the solute is not taken into account for vapor pressure of the solution, therefore A is correct whereas B is incorrect.

Moreover, since the higher the vapor pressure, the weaker the intermolecular forces due to the fact that less more molecules are like to change from liquid to vapor and therefore more energy is required for such change, we can evidence that both C and D are correct.

Best regards.

4 0
3 years ago
According to the following balanced chemical equation, if you want to produce eight moles of H2O, how many moles of CH4 do you n
dangina [55]

Answer:

2

Explanation:

6 0
2 years ago
What is the word equation for molecules of magnesium reacting with molecules of oxygen to produce molecules of magnesium oxide?
MrRissso [65]

Answer:

magnesium + oxygen Right arrow magnesium oxide

3 0
3 years ago
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