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VikaD [51]
3 years ago
14

Which two things cause the orbits of the planets to be the nearby circular

Chemistry
1 answer:
GalinKa [24]3 years ago
5 0

Answer:Gravity and inertia

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How many grams of hydrogen are needed to produce 1.80 g of water according to this equation? 2H2 + O2 → 2H2O
s344n2d4d5 [400]
Answer is c

Work out the moles of 2H2O: 1.80/ (16+1+1) = 0.1
The moles of 2H2 are the same (0.1)
The Mr of H2 is 2

So the mass needed to produce 1.80g of water is
0.1 x 2 = 0.2
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What is the source of energy used to react chlorine with methane?
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At a pressure of 19.95kPa, 35.8g of carbon dioxide at a temperature of 27.5C would result in what volume of gas?
adell [148]

Answer:

volume of gas=101.94L

Explanation:

Suppose given gas follows the ideality nature of gas

PV=nRT

n=35.8/44mol=0.814 mol

P=0.197atm

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R=0.0821atm/mol/K

after putting all value we get,

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volume of gas=101.94L

3 0
3 years ago
Because copper is a metal, it is what?
oksano4ka [1.4K]

Copper is a mineral and an element essential to our everyday lives. It is a major industrial metal because of its high ductility, malleability, thermal and electrical conductivity and resistance to corrosion. It is an essential nutrient in our daily diet. And, its antimicrobial property is becoming increasingly important to the prevention of infection. It ranks third after iron and aluminum in terms of quantities consumed in the USA.


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Which molecule in plants cells first captures the radiant energy from sunlight?
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Explanation:

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