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Varvara68 [4.7K]
3 years ago
10

Mole ratio compares the subscripts of two compounds in a balanced reaction.

Chemistry
1 answer:
DerKrebs [107]3 years ago
3 0

Answer:

The correct option is FALSE

Explanation:

Mole ratio is the ratio of the number of moles of two compounds in a balanced chemical reaction. Number of moles of a compound in a chemical reaction is the number written before the compound.

For example, the mole ratio of Iron (Fe) and water (H₂O) in the equation below is 3:4

3Fe + 4H₂O  ⇒  Fe₃O₄ + 4H₂

Thus, mole ratio does not compare subscripts of compounds.

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Question 2 (1 point)
Alex73 [517]

Answer:

35 amu

Explanation:

In an atom, only masses of protons and neutrons are relevant. electrons are so small in size that their masses are negligible.

The mass of 1 proton/neutron is 1amu.

6 0
3 years ago
Can someone help me pls?<br> Zr + O ⇒ <br> B + O ⇒<br> Zn + C ⇒ <br> Co + I ⇒ <br> Mg + Br ⇒
Korolek [52]

Explanation:

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8 0
2 years ago
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Papessa [141]
It can be from volcanic ash, or from eroded material transported by rivers or wind.
8 0
3 years ago
A sample of 1.00 moles of oxygen at 50°C and 98.6 kPa, occupies what volume?
enyata [817]

Answer:

27.22 dm³

Explanation:

Given parameters:

number of moles = 1 mole

temperature= 50°C, in K gives 50+ 273 = 323K

Pressure= 98.6kpa in ATM, gives 0.973 ATM

Solution:

Since the unknown is the volume of gas, applying the ideal gas law will be appropriate in solving this problem.

The ideal gas law is mathematically expressed as,

Pv=nRT

where P is the pressure of the gas

V is the volume

n is the number of moles

R is the gas constant

T is the temperature

Input the parameters and solve for V,

0.973 x V = 1 x 0.082 x 323

V= 27.22 dm³

5 0
3 years ago
How many independent variables can you have in an experiment for it to be valid?
Lemur [1.5K]

Answer:

There are often not more than one or two independent variables tested in an experiment.

3 0
3 years ago
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