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Shtirlitz [24]
3 years ago
12

A student is trying to calculate the density of an ice cream cone. She already knows the mass, but she needs to determine the vo

lume as well. Which of the following formulas can be used to calculate the volume of the cone?
V equals four-thirds times pi times r cubed
V equals one-third times pi times r squared times h
V = s3
V = πr2h
Chemistry
2 answers:
lyudmila [28]3 years ago
8 0

Answer:

V equals one-third times pi times r squared times h

Explanation:

IgorLugansk [536]3 years ago
6 0
<span>V equals one-third times pi times r squared times h</span> 
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Calculate how many grams of the product form when 16.7 g of calcium metal completely reacts. Assume that there is more than enou
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39.96 g product form when 16.7 g of calcium metal completely reacts.

<h3>What is the stoichiometric process?</h3>

Stoichiometry is a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data.

Equation:

Ca(s) + Cl_2(g) → CaCl_2(s)

In this case, for the undergoing reaction, we can compute the grams of the formed calcium chloride by noticing the 1:1 molar ratio between calcium and it (stoichiometric coefficients) and using their molar mass of 40 g/mol and 111 g/mol by using the following stoichiometric process:

m_{ca_C_l_2}= 16.7 g Ca x \frac{1 mol \;of \;Ca}{40g Ca} x \frac{1 mol \;of \;CaCl_2}{1 mol \;Ca} x \frac{111g of \;CaCl_2}{1 mol \;CaCl_2}

m_{ca_C_l_2} = 39.96 g

Hence, 39.96 g product form when 16.7 g of calcium metal completely reacts.

Learn more about the stoichiometric process here:

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4 0
2 years ago
Frrrreeeeeee point freeeeee
ahrayia [7]

Answer:

Ok the answer is 345

Explanation:

7 0
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What is the percent by mass of sodium in Na2SO4? total mass of element in compound molar mass of compound Use %Element x 100
Kisachek [45]

What is the percent by mass of sodium in Na2SO4? total mass of element in compound molar mass of compound Use %Element x 100

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If 3.75 moles of aluminum react, how many moles of sulfur are needed?
aliya0001 [1]

Answer:(A) 0.70 mol

Explanation:

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8.
Oksi-84 [34.3K]

Answer:

900 mg

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