03/20/22

If chlorine gas is bubbled through potassium iodide solution, iodine is produced. The unbalanced equation is:
Calculate the mass of I2 produced when 6.19x10^4 g of chlorine gas is bubbled through an excess amount of potassium iodide solution.Hints: Balance Equation. Get molar mass of CI2. Get mole ratio... more
Follows • 2
Expert Answers •1

03/20/22

Although mixture of hydrogen and oxygen are highly explosive, pure hydrogen gas itself burns quietly in air with a pale blue flame, producing water vapor. The unbalanced question is:
Calculate the mass (in grams) of water vapor produced when 9.81 g of pure hydrogen gas is burned in air.Hints: Balance the equation. Get molar mass of H2. Get mole ratio between H2 and H2O. Get... more
Follows • 2
Expert Answers •1

03/20/22

Gas reacts help plz
Oxygen gas reacts with powdered aluminum according to the reaction: 4Al(s)+3O2(g)=2Al2O3(s)How many liters of O2 gas, measured at 781 mm Hg and 27 C, are required to completely react with 2.4... more
Follows • 2
Expert Answers •1

03/20/22

How Many grams of magnesium? Help plz
How many grams of magnesium oxide are formed when 14.4 L of oxygen gas, measured at STP, completely reacts with magnesium metal according to this reaction?2Mg(s)+O2(g)=2MgO(s)
Follows • 2
Expert Answers •1

03/20/22

Calculate the mass of each gas sample at STP.
Calculate the mass of each gas sample at STP.Part A5.86 L NOPart B0.324 L N2Part C137 cm^3 Ar.
Follows • 2
Expert Answers •1

03/20/22

What is the molar solubility (in mol L-1) of a salt in pure water with general molecular formula MX (where M is a cation and X is an anion) that has Ksp = 2.22 x 10-5 ?
Follows • 2
Expert Answers •1

03/20/22

A 12.4 mL solution of 0.100 mol L-1 HF is titrated using 0.150 mol L-1 NaOH. What is the pH of the solution after 5.61 mL of the NaOH solution is added? Express your answer to 2 decimal places.
Follows • 2
Expert Answers •1

03/20/22

How many milliliters of 0.318 M Ba(OH)2 solution are needed to completely neutralize 39.0 mL of 0.181 M HCl solution? The reaction is Ba(OH)2(aq) + 2HCl(aq) → BaCl2(aq) + 2H2O(l)
Follows • 2
Expert Answers •1

03/20/22

chemistry question
A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas reaction vessel. The vessel is a stainless-steel cylinder that measures 37.0cm wide and 44.4cm high.... more
Follows • 2
Expert Answers •1

03/20/22

chemistry question
A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in a spherical air tank that measures 89.0cm wide. The biologist estimates she... more
Follows • 2
Expert Answers •1

03/20/22

the synthesis of sodium chloride reaction how many grams of sodium chloride could be produced from 100.0 g of sodium and 12.5 L of chlorine ( at STP ) ? Be sure to identify the limiting reactant .
Follows • 1
Expert Answers •1

03/20/22

In a commercial process that produced ammonia, the theoretical yield of NH3 was found to be 150 grams. When the process was carried out, the actual yield was 135 grams. What was the percent yield ?
Follows • 1
Expert Answers •1

03/20/22

Fe2O3 + 3 C → → 2 Fe + 3 CO How many grams of Fe are formed when 11 mol of CO is produced?

Follows • 2
Expert Answers •1

03/19/22

Complete the balanced molecular reaction for the following weak acid with a strong base: HF+LiOH-->
Complete the balanced molecular reaction for the following weak acid with a strong base: HF+LiOH-->
Follows • 2
Expert Answers •2

03/19/22

How can you determine the mass of liquid bromine needed to react completely with a given mass of magnesium
Chemistry homework question
Follows • 2
Expert Answers •1

03/19/22

Hess Law Chemistry
Calculate the enthalpy for: NO (g) + 0.5O2 (g) → NO2 (g),Given: 0.5N2 (g) + 0.5O2 (g) → NO (g) ΔrH = 92.5 kJ mol-1 0.5N2 (g) + O2 (g) → NO2 (g) ΔrH = 33.9 kJ mol-1
Follows • 2
Expert Answers •1

03/19/22

What is the concentration of the NaOH solution?
Suppose you are standardizing a sodium hydroxide solution with KHP (molar mass=204.2 g/mol) according to the equation:KHP+NaOH⟶H2O+NaKPYou prepare the standard solution from 0.299 g of KHP in 250.0... more
Follows • 2
Expert Answers •1

03/18/22

Limiting Reactants
2 N2 (g) + 3 H2 (g) → 2 NH3 (g)How many grams of NH3 are produced if 32 grams of N2 and 5.5 grams of H2 react?____________ g NH3
Follows • 2
Expert Answers •1

03/18/22

A gas‑filled weather balloon has a volume of 50.0 L at ground level, where the pressure is 769 mmHg and the temperature is 22.8 ∘C. After being released....
A gas‑filled weather balloon has a volume of 50.0 L at ground level, where the pressure is 769 mmHg and the temperature is 22.8 *C. After being released, the balloon rises to an altitude where the... more
Follows • 2
Expert Answers •1

03/18/22

What is the pH of 0.10 M NaF (aq)? Show full solutions
Follows • 1
Expert Answers •1

03/18/22

Temperature and Volume
What Celsius temperature, T2 is required to change the volume of the gas sample in Part A ( T1 = 33 degree Celsius, V1 = 1.22×103  ) to a volume of 2.44×103? Assume no change in pressure or the... more
Follows • 2
Expert Answers •2

03/17/22

Molarity/molality help #7
Determine the number of grams of solute needed to make each of the following molal solutions.(a) a 4.54 m solution of H2SO4 in 1.05 kg H2O__ g(b) a 1.19 m solution of HNO3 in 2.01 kg H2O__ g
Follows • 2
Expert Answers •1

03/17/22

Molarity/molality help #5
How many milliliters of 0.736 M H3PO4 are required to react with 239 mL of 0.157 M Ba(OH)2 if the products are barium phosphate and water?__ mL
Follows • 2
Expert Answers •1

03/17/22

Molarity/molality help #1
Suppose you wanted to produce 1.22 L of a 3.37 M aqueous solution of H2SO4How many grams of solute are needed to make this solution?__gHow many grams of solute are needed to make 2.59 L of a 1.84 M... more
Follows • 2
Expert Answers •1

03/17/22

What is the answer

How many liters of oxygen gas are present in 3.061 grams of O,?
Follows • 2
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.