02/27/21

Please help me with these chemistry questions.

A sample of neon occupies a volume of 250 mL at STP. What will be the volume of the neon if the pressure is increased to 105.0 kPa?a. 241 mLb. 0.004 mLc. 259 mLd. 42.5 mLWe've learned that there is... more
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02/27/21

In the equation 2KClO3 --> 2KCl + 3O2, how many moles of oxygen are produced when 3.0 mol of KClO3 decompose completely?
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02/27/21

Will the volume of a gas increase, decrease, or remain unchanged for the following set of changes?

The pressure is increased from 1.04 atm to 7.08 atm, while the temperature is decreased from 215°C to 122°C.
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02/26/21

What is the weight in newtons of a 202 g package of breakfast cereal? N
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02/26/21

The variable y varies directly with the square of X. If y is 50 when x is 5, find y when x is 4.
The variable y varies directly with the square of X. If y is 50 when x is 5, find y when x is 4.
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02/26/21

Solve the quadratic equation. List your solutions. Simply if necessary.
x2 −6x+9=125 x=
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02/26/21

how many atoms in H2COCO3H2
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02/26/21

For the following reaction, 184 grams of iron are allowed to react with 215 grams of chlorine gas.
For the following reaction, 184 grams of iron are allowed to react with 215 grams of chlorine gas.2Fe (s) + 3Cl2 (g) 2FeCl3 (s)What is the FORMULA for the limiting reagent?What is the maximum... more
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02/26/21

What is the maximum amount in moles of P2O5 that can theoretically be made from 144 g of O2 and excess phosphorus? Express your answer to three significant figures. Equation: P4+5O2→2P2O5
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02/26/21

Solve chemistry equation

3.8x10-2mol x 378g 0.0670mol
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02/25/21

get the number of molecules within Benzoyl Peroxide
This is what I have so far but I don't know how to get the number of molecules within Benzoyl Peroxide?Benzoyl Peroxide aqueous Base, Acne Treatment Gel contains 10% of benzoyl peroxide... more
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02/25/21

How many atoms are in 187 grams of NH3?
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02/25/21

Solve the following equation. List all solutions. If there is no solution, type DNE. x^2+x-56=0
Solve the following equation. List all solutions. If there is no solution, type DNE.x^2+x-56=0 x=
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02/25/21

What is an equation of the line that passes through the point (-1,-3)( and is parallel to the line 6x-y==1?
I need help for my quiz please please help me
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02/24/21

Calculate the Percent Yield

Use the equation below to answer the following question.  C3H8 + 5 O2 --> 3 CO2 + 4 H2OYou used 12.4 grams of oxygen and measured 3.25 grams of water at the conclusion of the reaction. What is... more
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02/24/21

The sum of two integers is 24. 6 times the smaller integer is 24 more than 2 times the larger integer.

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02/24/21

math help step by step
A fisherman illegally drops some fish into a pond, and they quickly propagate (reproduce). The population growth of the new specifies is modeled by P(x) = 6(b)^x, where x is the time in weeks... more
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02/24/21

Write an Explicit Formula
The question reads, "increases by 5% per year with a starting amount of $5000. Write an explicit formula to describe my investment"
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02/24/21

The difference between two numbers is 4. The sum of the smaller number and three times the larger number is 36. What are the two numbers?
Solve the word problem using elimination. Set up a system of equations before solving.
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02/24/21

please can i actually receive some help please
S   +   6 HNO3  -->  H2SO4  +  6 NO2  +   2 H2OIn the above equation how many moles of water can be made when 47 moles of HNO3 are consumed?Please give and only give explanation and solution.
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02/22/21

question for chemistry

A solution of hydrochloric acid is diluted from its a volume of 6.0 L to its new volume of 0.77 L. If its new concentration is 14.4 M, what was the original concentration of this solution in moles... more
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02/20/21

One gallon is equal to 3785.5 mL. What is the density of a substance (g/mL) where 1.380 gallons has a mass of 3,467.0 grams?
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02/20/21

Math help please
Quinn is flying a kite. The angle of elevation formed by the kite string and the ground is 44°, and the kite string forms a straight segment that is 90 feet long.Explain how to find the distance... more
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02/20/21

Math Word Problem
April is thinking of a decimal number. The denominator of its equivalent fraction is 2 more than twice its numerator. What number is she thinking of?
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02/20/21

Solve the equation by converting to a common base:
Show step by step work:1⁄125×2517x-31=12552x-42
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