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tino4ka555 [31]
2 years ago
6

A substance composed of two or more metals.

Chemistry
2 answers:
ladessa [460]2 years ago
6 0
It's an alloy or a compound
Alika [10]2 years ago
4 0

Answer:

A substance composed of two or more metals is called an alloy

Explanation:

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MrRa [10]
Ammonia is the compound.
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3 years ago
HELPPP!!! In reaction 2Sr+O2=2SrO how many moles of Oxygen will be needed to react with 36.9g of SrO?
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6000 I pretty sure tell me if it's right

6 0
3 years ago
Predict, using Boyle’s Law, what will happen to a balloon that an ocean diver takes to a pressure of 202 kPa (normal atmospheric
kaheart [24]

Explanation:

Balloon that an ocean diver takes to a pressure of 202 k Pa will get reduced in size that is the volume of the balloon will get reduced. This is because pressure and volume of the gas are inversely related to each other.

According to Boyle's law: The pressure of the gas  is inversely proportional to the volume occupied by the gas at constant temperature(in Kelvins).

pressure\propto \frac{1}{volume} (At constant temperature)

The pressure beneath the sea is 202 kPa and the atmospheric pressure  is 101.3 kPa . This increase in pressure will result in decrease in volume occupied by the gas inside the balloon with decrease in size of a balloon. Hence, the size of the balloon will get reduced at 202 kPa (under sea).

7 0
3 years ago
using the equaation 2h2+o2--&gt;2h2o if 10.0g of hydrogen are used in the presence of excess oxygen how many grams of water will
astra-53 [7]

Answer:

90g of H2O

Explanation:

2H2 + O2 —> 2H2O

First, we calculate the molar masses of H2 And H20.

Molar Mass of H2 = 2g/mol

Mass conc of H2 from the balanced equation = 2 x 2 = 4g

Molar Mass of H2O = 2 + 16 = 18g/mol

Mass conc of H2O from the balanced equation = 2x18 = 36g

From the equation,

4g of H2 produced 36g of H2O

Therefore, 10g of H2 will be produce = (10x36)/4 = 90g of H2O

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3 years ago
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myrzilka [38]
2.5128e10 is the answer
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