3 years ago

Given the following reaction: 2H2(g) + O2(g) à 2H2O(g) answer the following questions:

Chemistry

1 answer:

lora16 [44]3 years ago

6 0

Answer:

Explanation:

2 moles hydrogen reacts with one mole of oxygen to give 2 moles of water.

a ) rate of consumption of hydrogen ( moles per second) is twice the rate of consumption of oxygen .

b ) rate of formation of water ( moles per second ) is twice the rate of consumption of oxygen

c ) rate of formation of water ( moles per second ) is equal to the rate of consumption of hydrogen.

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you record the sea temperature at 12 degrees North 45 degrees West to be 27.5 degrees Celcius the humidity to be very high and a

Cerrena [4.2K]

For a hurricane to form, the sea temperature must be at least 26.7. The temperature of the water in the problem is 27.5.
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Therefore, it is expected that a hurricane will form at the given location.

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4 years ago

The gram formula mass of NH4Cl is(1) 22.4 g/mole (3) 53.5 g/mole(2) 28.0 g/mole (4) 95.5 g/mole

g100num [7]

The answer is (3) 53.5 g/mol. The gram formula mass means that the mass of one mol compound. 1N=14, 4H=4, 1Cl=35.5. So the gram formula mass of NH4Cl=14+4+35.5=53.5 g/mol.

7 0

3 years ago

Read 2 more answers

In a coffee-cup calorimeter, 100.0 g of H2O and 8.70 grams of Na3PO4 are added. The water had an initial temperature of 24.6 oC.

Alex

Answer:

a.) exothermic

b.) 2,800.6 J

Explanation: