03/12/21

The length of a rectangle garden is 4 meters more than its width. The area of the rectangle is 60 meters. What's the dimensions of the rectangle?
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03/12/21

How many moles of H2 can be produced from 2 moles and of Al and 2 moles of HCl
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03/12/21

Complete the balanced molecular reaction for the following weak base with a strong acid:
NaClO2(aq)+H2SO4(aq) ->
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03/12/21

Chemistry Combined Gas Laws
A sample of gas in a closed flexible container has a starting pressure of 103.2 kPa and volume of 5.4 L. If the temperature goes from 300.0 K to 363.4 K, what is the new pressure in kilopascal if... more
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03/12/21

i need helpppp for pre algebra
Find the slope from the two points.(4, 3) (7, 2)
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03/12/21

chemistry help please
A sample of gas in a rigid container (constant volume) is heated from 25oC to 52oC. If the initial pressure is 52.1 kPa, what is the resulting pressure in kilopascals?
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03/12/21

How many molecules of As2O7 are present in 48.9 grams of As2O7?
Help?????? Please????? Thanks!!!!
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03/12/21

How many tin (II) ions, Sn^+2, are present in 3.5 grams of Sn3(PO4)2?
Help!!! Please!!! And thank you!!!!!!!!!!!!!!!!!!
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03/11/21

chemistry question

A sample of gas in a rigid container (constant volume) is heated from 25 degrees celsius to 69 degrees celsius. If the initial pressure is 63.0 kPa, what is the resulting pressure in kilopascals.
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03/11/21

How many moles of CF4 are there in 171g of CF4?
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03/11/21

I neeed help with chemistry
A gas has a pressure of 2.17 atm and occupies a volume of 5.4 L. If the gas is compressed to a volume of 1.36 L, what will its pressure be, assuming constant temperature? Answer in units of... more
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03/11/21

mrs.kurth is redesigning her backyard garden. if she would like to quadruple the area of her current garden the by what scale factor should she increase its dimensions

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03/11/21

I need you for a little while to get my stuff done

Fifty divided by two times a number
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03/11/21

Renee is stocking the concession stand with x hamburgers and y hot dogs. hamburgers are sold for $3 each, while hot dogs are $2 each. what equation can renee use for sales needed to raise $1500?
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03/11/21

How do I complete the solution for this algebra question
QuestionFind x where x + y = z, y = 48% of x and z = 600Find x--------------------------------------My uncompleted solutionx + y = 600x + (48% of x) = 600x + (0.48 of x) = 600x + (0.48x) = 600
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03/11/21

Variation question, URGENT
a varies directly as the square of b and inversely as the cube of c. If a=171 when b=8 and c=9, find a if b=9 and c=6. Round your answer to two decimal places if necessary.
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03/11/21

can someone be kind enough to answer this
Jayla pays a flat fee each month for an online streaming service for TV and Movies. She can watch an unlimited amount of TV and most movies she watches are free, but she has to pay for 'premium'... more
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03/11/21

Ideal Gas Laws , what is the pressure of the gas in

If 380.8L of a gas at STP has a temperature of 67C and a volume of 88.89L, what is the pressure of the gas in atm?
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03/11/21

Hey , can someone help me do this ? Moles , Chemistry

How many per gram 3.01 ● 10 22 molecules of nitric acid?What is the volume of 2,408 ● 10 24 molecules of oxygen?How Many Molecules are in 112 dm3 of Hydrochloride?How many grams is 134.4 dm3 of... more
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03/10/21

CHEMISTRY HELP QUESTION
If a piston with a variable volume starts with a volume of 125.0 mL and pressure of 1.25 atm then expands to a new volume of 248.9 while the temperature remains constant, what is the new pressure?
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03/10/21

When the following molecular equation is balanced using the smaller possible interger cofficents, the values of these coefficients are;

[ ]CI2(g) + [ ] H2O(I) ——-> [ ] HCI(aq) + [ ] HCIO3(aq)[ ]Fe(s) + [ ]O2(g) —-> [ ]Fe2O3(s) the “[ ]” is where I need the answer.
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03/10/21

A Question About Stoichiometry

Hi,We just started Stoichiometry. I answered the question below, but the website (Sapling) tells me it's wrong. "If 3 molecules of N2 react with 6 molecules of H2 , determine the number of... more
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03/10/21

Determine the molarity of a solution made by dissolving 60 grams of NaCl in 500 mL of solution
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03/10/21

What is the generic valence electron configuration for GroupIVA(14)?
ns2np1 ns2np4 ns2np2 ns2np3 ns2np5
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03/10/21

Which ions does H2SO4 dissociate into?
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