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maksim [4K]
3 years ago
13

What is the mass of water that results from combining 2.0g of hydrogen with 16.0g of oxygen?

Chemistry
2 answers:
makkiz [27]3 years ago
4 0
8.0g's of water is your answer
Alex_Xolod [135]3 years ago
3 0
The answer is 18 g I think)))
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One hundred grams of water is saturated with NH CI at
Pepsi [2]

Answer:

  • About 18 g of NH₄Cl will precipitate.

Explanation:

The <em>table G</em> is the graph of the solubility curves for several solutes which is attached.

The second picture identifies the solubilities for the  NH₄Cl at 50ºC and 10ºC.

The solubility of NH₄Cl at 50ºC is about 52 g/ 100 g of water.

The solubility of NH₄Cl at 10ºC is about 34 g / 100 g of water.

Then, at 50ºC 100 g of water saturated with NH₄Cl contains about 52 g of NH₄Cl and 100 g of water saturated with NH₄Cl contains 34 g of NH₄Cl.

The difference, 52g - 34 g of NH₄Cl shall precipitate:

          52 g - 34 g = 18g ← answer

7 0
3 years ago
Based on your observations from the glowing splint test with oxygen gas, briefly explain why liquid oxygen is a very hazardous s
Cerrena [4.2K]

Answer:

liquid oxygen is highly flammable

Explanation:

near any source of heat. liquid oxygen can explode to flames thus being hazardous

3 0
3 years ago
13. What is the atomic mass of an atom if its mass is approximately equal to the following? 1 a. that of carbon-12 b. 4.5 times
12345 [234]

The atomic mass of an atom if its mass is approximately equal to carbon-12 will be 12 and in case of 4.5 times carbon-12 will be 54

Atomic mass of an element is the average mass of the atoms of an element which are measured in atomic mass unit. Or we can also say that the atomic mass is actually the weighted mass is a weighted average of all of the isotopes of elements, in which the mass of each element is multiplied by the abundance of that particular isotope.

So the atomic mass of an atom if the mass is approximately equal to carbon-12 then the mass of the element will be equal to 12 as the atomic mass of carbon-12  is 12.

where as the atomic mass of an atom if its mass is approximately equal to 4.5 times as much as carbon-12 will be ⇒ 4.5×12= 54

To know more about atomic mass

brainly.com/question/16887530

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6 0
1 year ago
Please help ASAP!!!
77julia77 [94]

Answer: #1 The poppy seeds represent the protons, electrons and neutrons

#2 The fiberfill represents the nucleus   #3 Protons and neutrons are in the nucleus  #4 Electrons are the particles that are surrounding the nucleus  #5 Because they are representing different things and they are their own entity            

     Hope this really does help! : ⊃

5 0
3 years ago
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The variables _______ and ________ affect the gravitational force between objects.
anastassius [24]
I think the answer is A
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3 years ago
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