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Ipatiy [6.2K]
3 years ago
13

You and your roommates have already decided to spend a week volunteering in the relief effort over the winter break, but in orde

r to convince your roommates to write to Congress to demand action on climate change, you want to give them a sense of how much water fell. To do this, you calculate how many gallons of water would be in your dorm room if 52 inches of rain landed in this space. Assume that your dorm room is 228 ft^2 and know that 1 gallon = 231 in^3 and that 1 foot = 12 inches.
Chemistry
2 answers:
Vlada [557]3 years ago
5 0

Answer:

I dont know the answer for that question it's hard question isn't it

marta [7]3 years ago
4 0

Answer:

Gallons of water in the dorm room =7391 gallons

Explanation:

<u>Given:</u>

Amount of rainfall = 52 inches

Area of the room = 228 ft^2

<u>To determine:</u>

The gallons of water in the room

<u>Calculation:</u>

Convert area of room from ft^2 to inches^2

1 foot = 12 inches

Therefore, 1 ft^{2} = (12\  in)^{2} = 144\ in^{2}

Area of room is:

\frac{228ft^{2}*144in^{2}}{1ft^{2} } =32832in^{2}

Volume of water in the room is:

=Area\ of\ room * Amount\ of\ rainfall\\\\= 32832 in^{2} * 52\ in = 1707264\ in^{3}

Convert from in^3 to gallons:

1 gallon = 231 in^3

Therefore:

\frac{1707264in^{3} * 1 gallon}{231in^{3}} =7391 gallons

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372 mL is the volume of Aluminum, density is 2.70 g/mL what is the mass in grams
podryga [215]

Answer:

930 g

Explanation:

D = m/V     Multiply both sides by V

m = VD

<em>Data: </em>

V = 372 cm³

D = 2.70 g/cm³

<em>Calculation: </em>

m = 372 × 2.50

m = 930 g

The mass of Al is 930 g.

7 0
3 years ago
When 10g of calcium carbonate is heated,4.4g of carbon dioxide escape out. The amount of residue left is:
Maslowich
The dissociation of calcium carbonate, CaCO3, to simpler compounds can be expressed as,
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8 0
3 years ago
what term describes when a solvent is holding as much solute in solution as it is able for a given temperature
Serggg [28]
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3 0
3 years ago
_____ are added to the soil to improve the fertility of the soil​
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Answer:

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3 0
2 years ago
What concentration of benzoic acid will have a ph of 4.0? (for benzoic acid, pka=4.20)?
aalyn [17]
We are given the molar concentration of an aqueous solution of weak acid and the pH ofthe solution, and we are asked to determine the value of Ka for the acid.
The first step in solving any equilibrium problem is to write the equation for the equilibriumreaction. The ionization of benzoic acid can be written as seen in the attached image (1).
The equilibrium-constant expression is the equation number (2)
From the measured pH, we can calculate pH as seen in equation (3)
To determine the concentrations of the species involved in the equilibrium, we imagine that thesolution is initially 0.10 M in HCOOH molecules. We then consider the ionization of the acidinto H+ and HCOO-. For each HCOOH molecule that ionizes, one H+ ion and one HCOO- ionare produced in solution. Because the pH measurement indicates that [H+] = 1x 10^-4 M atequilibrium, we can construct the following table as seen in the equation number (4)
To find the value of Ka, please see equation (5):
We can now insert the equilibrium concentrations into the expression for Ka as seen in equation (6)
Therefore, 2.58x10^-4 M is the concentration of benzoic acid to have a pH of 4.0

7 0
3 years ago
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