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mina [271]
1 year ago
11

A shiny piece of metal has a volume of 315 cm3 and a mass of 851 g. what is the density of the metal?

Chemistry
2 answers:
NemiM [27]1 year ago
8 0

Answer:

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They don't deserve You

They don't deserve You

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They don't deserve You

They don't deserve You

They don't deserve You

They don't deserve You

They don't deserve You

They don't deserve You

They don't deserve You

Explanation:

They don't deserve You

They don't deserve You

They don't deserve You

They don't deserve You

They don't deserve You

sdas [7]1 year ago
5 0
D=M/V, so density is 2.7 g/cm cubed (cube the centimeters)
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Resources that are not able to be reproduced as quickly as they are used are called _____.
Maurinko [17]

Answer:

C) non renewable resources

Explanation:

These are resources such as oil that are formed over a long period of time but are consumed very quickly.

8 0
2 years ago
What product is released into Earth's atmosphere through the combustion of<br> fossil fuels?
mezya [45]

Answer:

Carbon Monoxide

Explanation:

Fossil fuels are hydrocarbons which only contain hydrogen and carbon.

When it is burnt in air, it reacts according to this general equation:

2(CH) + 3O2 >> H2O + CO + CO2

  • Carbondioxide
  • Carbon Monoxide
  • Water
7 0
1 year ago
Why do you need a correct lewis structure before you can use vsepr to predict a molecules geometry.
JulsSmile [24]

Answer:

so the answer that you get isn't wrong? i dont know

4 0
2 years ago
When 7.085 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 21.71 grams of CO2 and 10.37 grams of H
Taya2010 [7]

Answer:

- Empirical:

C_3H_7

- Molecular:

C_6H_{14}

Explanation:

Hello,

In this case, based on the information regarding the combustion, the moles of carbon turn out:

n_C=21.71gCO_2*\frac{1molCO_2}{44gCO_2}*\frac{1molC}{1molCO_2}=0.493molC

Moreover, the moles of hydrogen:

n_H=10.37gH_2O*\frac{1molH_2O}{18gH_2O}*\frac{2molH}{1molH_2O}=1.152molH

Thus, the subscripts of carbon and hydrogen in the hydrocarbon turn out:

C=\frac{0.4934}{0.4934}=1\\H=\frac{1.15222}{0.4934}=2.335\\CH_{2.335}

Now, looking for a suitable whole number we obtain the following empirical formula as 2.335 times 3 is 7 for hydrogen:

C_3H_7

In such a way, that compound has a molar mass of 43 g/mol, thus, the whole compound's molar mass is 86.18 g/mol for which the molecular formula is twice the empirical one, therefore:

C_6H_{14}

Which is hexane.

Best regards.

6 0
3 years ago
Between HClO3 and HIO3, which is stronger and why? Question 16 options: 1) HClO3 is stronger because chlorine is in a higher oxi
natima [27]

Answer:

2) HClO3 is stronger because chlorine is more electronegative than iodine.

Explanation:

The more electronegative the element is the more strong or acidic it becomes.

Chlorine being more electronegative than Iodine makes it easier for it to pull the electron of hydrogen more strongly and hence has a higher tendency to release a H+ unit. Hence that makes it stronger.

4 0
3 years ago
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