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2 years ago

How do you combine water and fire? WILL GIVE BRAINLIESTS

Chemistry

1 answer:

murzikaleks [220]2 years ago

4 0

Answer:

Fire is not always water, the divident of the mitochoridria of a creatra is jeremy

Explanation:

Order 1.

Jimmey Hewtons force of gravitational pull made it so that water and fire cannot proceed as one race therefore yu an me are like fire on the flo just for more i know that i let you go left me here on the dance floor, Strawberry mango by PINSAN is a good example because it is like water and fire strawberry and mango and it makes sense.

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Which group on the periodic table contains only metals?

Natalija [7]

Answer:

D. Along the bottom

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2 years ago

Consider the reaction:

murzikaleks [220]

Answer: The formation of given amount of oxygen gas results in the absorption of 713 kJ of heat.

Explanation:

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

Given mass of oxygen gas = 83 g

Molar mass of oxygen gas = 32 g/mol

Putting values in above equation, we get:

$\text{Moles of oxygen gas}=\frac{83g}{32g/mol}=2.594mol$

For the given chemical equation:

$2Fe_2O_3\rightarrow 4Fe+3O_2;\Delta H^o_{rxn}=+824.2kJ$

Sign convention of heat:

When heat is absorbed, the sign of heat is taken to be positive and when heat is released, the sign of heat is taken to be negative.

By Stoichiometry of the reaction:

When 3 moles of oxygen gas is formed, the amount of heat absorbed is 824.2 kJ

So, when 2.594 moles of oxygen gas is formed, the amount of heat absorbed will be = $\frac{824.2kJ}{3mol}\times 2.59mol=713kJ$

Hence, the formation of given amount of oxygen gas results in the absorption of 713 kJ of heat.

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2 years ago

The major light absorbing pigment in green plant photosynthesis is

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Chlorophyll, it is chlorophyll

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2 years ago

In which way does the number of neurons affect the mass and stability of the nucleus

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hope this helped youu:)

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