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vitfil [10]
3 years ago
12

A. Calculate the percentage yield for SiO₂ for Trial 1. Also, determine the leftover reactant for the trial. Show your work.

Chemistry
1 answer:
Ivahew [28]3 years ago
8 0

Answer:

The answer js Si02 and it is correct

Explanation:

i did the assigent and the teacher said it is correct

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What is the momentum of a 5 kg object that has a velocity of 1.2 m/s?
saveliy_v [14]

Answer: the momentum is 6 Kgm/s

Explanation:

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3 0
3 years ago
When the experiment was carried out, the temperature was 22 oC and atmospheric pressure was 1.007 atm. Using the Ideal Gas Law a
lesantik [10]

Answer:

number of moles of H_2=4.16mol

Explanation:

experiment data:

temperature= 22^{\circ}C=273+22 k=295k

pressure=1.007 atm

volume is missing so assuming volume-=100L

using ideal law relationship

ideal gas means gas which occupies negligible space and there is no interaction between the molecules of gases.

PV=nRT

put all the experimental data, we get

n=4.15 mol

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4 0
3 years ago
What is the empirical formula for a compound if a sample contains 3.72g of P and 21.28g of Cl?
sleet_krkn [62]
The empirical formula or simplest formula gives the smallest whole-number ratio of the atoms present in a compound.It gives the relative number of atoms of each element present in the compound.The ratio will be              3.72 : 21.28
4 0
3 years ago
Why do intermolecular forces exist between water molecules?
fenix001 [56]

Answer:

I dont really know but they  are really small

Explanation:

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3 0
3 years ago
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3. When substances cross cell membranes by simple diffusion, they
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Answer:B

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