05/25/22

Percentage Yield
When 9 g of hydrogen reacts with oxygen, 73 g of water is produced. What is the theoretical yield of water? What is the actual yield? What is the percentage yield?
Follows • 2
Expert Answers •1

05/25/22

Percentage Yield
Powdered zinc metal reacts violently with sulphur (S8) when heated to produce zinc sulphide.a)     What mass of product can be produced with 25 g of zinc?b)     What is the actual yield if the... more
Follows • 2
Expert Answers •1

05/25/22

Can someone please answer this

Write the balanced chemical equation for the reaction between phosphorous acid and sodium hydroxide.Start by writing the proper names of the products below.Phosphorous acid + Sodium... more
Follows • 2
Expert Answers •1

05/25/22

A 5.00 L container of a gas is known to contain 1.20 mol. If the amount of gas is increased to 2.80 mol, what new volume will result (at an unchanged temperature and pressure)?
Follows • 2
Expert Answers •2

05/25/22

which compound will form a precipitate if it is the product of a double replacement reaction? a lead(II) nitrate b ammonium sulfide c tin(II) carbonate d potassium phosphate
Follows • 2
Expert Answers •1

05/25/22

How do you find the electron configuration of Fluorine in LiF? or just the second element in general
Follows • 1
Expert Answers •1

05/25/22

Some sunscreens contain finely powdered zinc oxide suspended in a lotion or ointment, explain why these sunscreens are not solution of zinc oxide.

hello! this is a question from unit 8 of grade 11 chemistry. I am not understanding how to answer this question.
Follows • 2
Expert Answers •1

05/24/22

Write the balanced net ionic equation for the precipitation of cobalt(II) sulfide from aqueous solution: Include states of matter in your answer.
Follows • 1
Expert Answers •1

05/24/22

Solving Stoichiometry Problems
Determine the mass of oxygen required to completely burn 10.0 g of propane (C₃H₈).
Follows • 2
Expert Answers •1

05/24/22

Solving Stoichiometry Problems
Molten iron and carbon monoxide are produced in a blast furnace by the reaction of iron (III) oxide and coke (pure carbon). If 25.0 mol of pure Fe₂O₃ is used, how many grams of iron can be... more
Follows • 3
Expert Answers •1

05/24/22

Solving Stoichiometry Problems
The average human requires 120.0 g of glucose (C₆H₁₂O₆) per day. How many grams of CO₂ (in the photosynthesis reaction) are required in order to produce this amount of glucose? The photosynthesis... more
Follows • 2
Expert Answers •1

05/24/22

SCH3U Quantities in Chemical Reactions
Solutions of iron(III) chloride, FeCl₃, are used in photoengraving and to make ink. This compound can be made by the following reaction.2Fe + 3Cl₂ = 2FeCl₃a)     How many moles of FeCl₃ form from... more
Follows • 2
Expert Answers •1

05/24/22

SCH3U Quantities in Chemical Reactions
How many moles of H₂O are produced when 6 mol of O₂ is consumed in burning methyl alcohol, CH₃OH, according to the following equation?2CH₃OH + 3O₂ = 2CO₂ + 4H₂O
Follows • 2
Expert Answers •1

05/23/22

Reaction Stoichiometry
When 5.32 g Ca react with 14.5 g of HCl according to the equation below:Ca + 2HCl = CaCl2 + H2The amount of Ca produced has been calculated to be 14.7g (assuming Ca is the... more
Follows • 2
Expert Answers •1

05/23/22

Reaction Stoichiometry

When 5.32 g Ca react with 14.5 g of HCl according to the equation below:Ca + 2HCl = CaCl2 + H2How many liters of hydrogen gas are produced at STP?(Assuming Ca is the limiting... more
Follows • 2
Expert Answers •1

05/23/22

Containers 1, 2, and 3 all hold 100.00 mL of 1.0 M solutions. One solution is sodium hydroxide, NaOH; another is sodium bromide, NaBr; and the third is potassium chloride, KCl.

Container 1 has a mass of 194.10 g, container 2 has a mass of 196.83 g, and container 3 has a mass of 192.65 g. Which solution is in which container.
Follows • 2
Expert Answers •1

05/23/22

What is the molar absorptivity
Ferrous ion reacts with an unknown ligand X to form a bright red complex with λmax = 512 nm.Fe2+(aq) + 3X(aq) ↔ [FeX3]2+(aq)Standard solutions of [FeX3]2+(aq) of varying concentrations were... more
Follows • 2
Expert Answers •1

05/23/22

Calculate the amount of dissolved oxygen

In the year 2025, NASA was able to find another planet (XXV) which may be able to sustain life. In order to determine if the planet’s water can sustain an earth organism’s life, Winkler method was... more
Follows • 1
Expert Answers •1

05/23/22

amount of dissolved oxygen
In the year 2025, NASA was able to find another planet (XXV) which may be able to sustain life. In order to determine if the planet’s water can sustain an earth organism’s life, Winkler method was... more
Follows • 2
Expert Answers •1

05/23/22

What is the concentration of 1.8 L KNO3 solution containing 0.5 mol of the solute?
Follows • 2
Expert Answers •1

05/23/22

What is the solubility constant when the concentration of Ca 2+is 0.002M and the concentration of F -is 0.004M?

CaF2 (s)== Ca 2+ (aq) + 2F -(aq) What is the solubility constant when the concentration of Ca 2+is 0.002M and the concentration of F -is 0.004M?
Follows • 2
Expert Answers •1

05/22/22

Please someone answer this question
What is the IUPAC classification of CH3NH2? aldehyde alohydrocarbon alkyne amide alkane cyclichydrocarbon alkene aromatic ester alcohol ether amine carboxylic acid
Follows • 2
Expert Answers •1

05/22/22

Come somebody please answer this question please
Which of the following are required to carry out a titration? Select all that apply. a bunsen burner a buret an acid a base an Erlenmeyer flask a balance scale a buffer a watch glass an indicator
Follows • 2
Expert Answers •1

05/21/22

Titration chemistry

A 250 mL solution of 2.0 M NaCl is mixed with 350 mL solution of 0.50 M NaCl. What is the concentration of the resulting solution?
Follows • 2
Expert Answers •1

05/21/22

Titration chemistry
100 mL of 0.50 M potassium iodide are combined with 50. mL of 0.75 M lead (II) nitrate. Calculate the mass of lead (II) iodide that will precipitate.
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.