07/09/19

what is the volume in milliliters of krypton?
A 30.0 g sample of krypton has a temperature of 24 ∘C at 575 mmHg .
Follows • 1
Expert Answers •1

07/09/19

Use molar volume to solve the following problems at STP
Find the volume (L) occupied by 2.90 moles N2. Find the volume (mL) occupied by 0.490 mole He. Find the number of grams of neon contained in 11.6 L Ne gas. Find the number of grams of neon... more
Follows • 1
Expert Answers •1

07/09/19

What is the volume after...
A sample containing 5.60 g O2 gas has a volume of 29.0 L . Pressure and temperature remain constant.What is the volume after 7.50 g He is added to the O2 gas already in the container?
Follows • 1
Expert Answers •1

07/09/19

What is the final volume?
An air bubble has a volume of 0.600 L at 28 ∘C. What is the final volume, in liters, of the gas when the temperature changes to each of the following, ifP and n do not change? 0 ∘C 430 K -20 ∘C 590 K more
Follows • 1
Expert Answers •1

07/09/19

What is the final temperature?
A gas has a volume of 4.40 L at 0∘C. What final temperature, in degrees Celsius, is needed to change the volume of the gas to each of the following, if P and n do not change? 1.30 L 1500 mL 290... more
Follows • 1
Expert Answers •1

07/09/19

What is the final volume?
A sample of argon gas has a volume of 735 mL at a pres-sure of 1.34 atm and a temperature of 124 ∘C. What is the final volume of the gas, in milliliters, when the pressure and temperature of the... more
Follows • 1
Expert Answers •1

07/08/19

What is the Molarity
Hi I have 100ml of water and 4g of sodium acetate what is the molarity?
Follows • 0
Expert Answers •2

07/08/19

I want to test if if uv rays are passing through?
I have a film I want to test for harmful uv rays but I don't want to spend thousands of rupees is there a cheap alternative for it. It is meant to be applied on car window so I want to test it... more
Follows • 1
Expert Answers •1

07/08/19

when 63.1 g of HCl react with 17.2 g of O2 how many grams of chlorine can be produced?

Follows • 1
Expert Answers •2

07/08/19

27.2 g of oxygen gas is fully reacted. What mass (in grams) of chlorine gas is produced?

Follows • 1
Expert Answers •1

07/08/19

A solution of 120 mL of 0.200 M KOH is mixed with a solution of 280 mL of 0.250 M NiSO4 Write the balanced chemical equation for the reaction that occurs. Answer as a balanced chemical equation.

A solution of 120 mL of 0.200 M KOH is mixed with a solution of 280 mL of 0.250 M NiSO4 Write the balanced chemical equation for the reaction that occurs. Answer as a balanced chemical equation.... more
Follows • 1
Expert Answers •2

07/06/19

H3PO4(aq) + 3KOH(aq) → K3PO4(aq) + 3H2O(l)
A solution of 0.316 M KOH is used to neutralize 18.0 mL H3PO4 solution.If 30.3 mL KOH solution is required to reach the endpoint, what is the molarity of the H3PO4 solution?
Follows • 1
Expert Answers •1

07/06/19

H2SO4(aq) + 2NaOH(aq) → Na2SO4(aq) + 2H2O(l)
A solution of 0.178 NaOH is used to neutralize 25 mL H2SO4 solution.If 32.8 mL NaOH solution is required to reach the endpoint, what is the molarity of the H2SO4 solution?
Follows • 1
Expert Answers •1

07/06/19

HC2H3O2(aq) + KOH(aq) → KC2H3O2(aq) + H2O(l)
If 32.7 mL of 0.255 M KOH is required to completely neutralize 21.0 mL of a HC2H3O2 solution, what is the molarity of the acetic acid solution?
Follows • 1
Expert Answers •1

07/06/19

Calculate the pH...
Calculate the pH of each solution given the following [H3O+] or [OH-] values. [H3O+] = 5.0×10−8 M[H3O+] = 5.5×10−6 M[OH−] = 4.5×10−2 M[OH−] = 6.0×10−3 M[H3O+] = 5.4×10−2 M[OH−] = 7.4×10−4 M
Follows • 1
Expert Answers •1

07/06/19

Determining the molar concentration...
A water solution has the pH = 10.00, Determine the molar concentration of H3O+ in this solution. Determine the molar concentration of OH− in this solution. Consider a neutral water solution,... more
Follows • 1
Expert Answers •1

07/06/19

Calculate pH and use it as a measure of acidity.
What is the pH of an aqueous solution with [H3O+] = 4×10−13 M ?What is the molar concentration of H3O+ in a cola that has a pH of 4.240?
Follows • 1
Expert Answers •1

07/06/19

Calculate the [OH−] of each aqueous solution with the following [H3O+].
baking soda, 1.0×10−8 Morange juice, 2.5×10−4 Mmilk, 5.0×10−7 Mbleach, 6.0×10−12 M
Follows • 1
Expert Answers •1

07/06/19

Calculate the [H3O+] of each aqueous solution with the following [OH−].
dishwashing detergent, 1.5×10−3  Mmilk of magnesia, 1.3×10−5 M aspirin, 1.9×10−11 Mseawater, 2.9×10−6 M
Follows • 1
Expert Answers •1

07/04/19

what is the maximum mass of sulfur trioxide that can be obtained by reacting 72 dm^3 of sulfur dioxide with excess oxygen?
Follows • 1
Expert Answers •1

07/03/19

Find the mass, in grams, of 3 moles of sodium phosphate

Follows • 1
Expert Answers •1

07/03/19

Calculate the mass of 3.91 x 10 21 molecules of carbon tetrachloride
Follows • 1
Expert Answers •1

07/03/19

A 9.24-g of sodium represents how many moles
Follows • 1
Expert Answers •1

07/02/19

Chemistry help!
The following equilibriumN2O4(g)   D   2NO2(g)has an equilibrium constant Kc = 0.20 at some temperature. Calculate the concentration of N2O4 in mol/L if the concetration of NO2 is found to be 0.32 M. more
Follows • 1
Expert Answers •1

07/02/19

homework please help me

for the following reaction 3.19 grams of carbon tetrachloride are mixed with excess methane (CH4). The reaction yields 2.62 grams of dichloromethane (CH2Cl2)methane (CH4) (g) + carbon tetrachloride... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.