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Veseljchak [2.6K]
3 years ago
13

Warm air and water both tend to rise while cooler air and water sink. When different parts of the oceans are heated unevenly, th

is causes the water to
a.move in convection currents
b.form a tsunami.
c.stay in the same place.
d.mix together in the water cycle.
Chemistry
1 answer:
ale4655 [162]3 years ago
3 0

Answer:

a

Explanation:

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Which quantity is constant when working with boyles, charles, and gay lussacs law?
oee [108]

boyles law states that the volumes of a gas will decrease as pressure increases if the temperature remains constant.

charles law states that the volume of a gas will increase as temp increases if the pressure remains constant.

gay-lussacs law states that the pressure increases as temp increases if the volume remains constant.

7 0
3 years ago
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The activation energy of a reaction is 56.9 kj/mol and the frequency factor is 1.5×1011/s. Part a calculate the rate constant of
Vanyuwa [196]

We will use Arrehenius equation

lnK = lnA  -( Ea / RT)

R = gas constant = 8.314 J / mol K

T = temperature = 25 C = 298 K

A = frequency factor

ln A = ln (1.5×10 ^11) = 25.73

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Taking antilog

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5 0
3 years ago
Need help with this.
Jobisdone [24]

Answer:

18.2 g.

Explanation:

You need to first figure out how many moles of nitrogen gas and hydrogen (gas) you have. To do this, use the molar masses of nitrogen gas and hydrogen (gas) on the periodic table. You get the following:

0.535 g. N2 and 1.984 g. H2

Then find out which reactant is the limiting one. In this case, it's N2. The amount of ammonia, then, that would be produced is 2 times the amount of moles of N2. This gives you 1.07 mol, approximately. Then multiply this by the molar mass of ammonia to find your answer of 18.2 g.

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3 years ago
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In order to calculate the mass of an element in a given mass of a compound the mass of the compound is multiplied by the mass
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Molar mass is the mass of a given substance divided by the amount of that substance, measured in g/mol.
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