What is the percentage of water to the nearest tenth in this compound? Ba(OH)2 * 8H2O

Answers

Answer 1

Answer: mass of water: 8 * 18 g = 144 g
mass of Ba(OH)2 = 171.3 g

total mass: 144 g + 171.3 g = 315.3 g

percentage of water: (144 g / 315.3 g) * 100% = 45.67%

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In the equation N2(g) + 3H2(g) → 2NH3(g), how many liters of hydrogen combines with 10 liters of nitrogen?

Answers

5 hydrogens combine is the answer

Over-encouraging lesser skilled players can lead to embarrassment.
a. True
b. False

Answers

Answer: Option (a) is correct.

Explanation:

A person with less skills needs to work more or practice more on his abilities in order to improve their athletic ability to build a stronger team.

Over encouragement to lesser skilled person can lead to the development of over confidence. As after over encouragement, the less skilled person can have the illusion of knowing each and everything which is not true for anyone.

As no one is perfect, therefore, over-encouraging lesser skilled players can lead to embarrassment.

My answer would be a. True

Describe the pattern of reactions of metals with acids.

Answers

metals become ionic and release hydrogen in free form.
hope it help you.

The chemical reaction in which compounds break up into simpler Constituents is a.

Answers

decomposition its the answer

Answer:

decomposition

Explanation:

did the test and got it correct

Which professional is most likely to suffer damage from lead contamination?A. doctor
B. farmer
C. painter
D. carpenter

Answers

its c because lead comes from paint The use of lead-based paints for homes, children's toys and household furniture has been banned in the United States since 1978. But lead-based paint is still on walls and woodwork in many older homes and apartments. Most lead poisoning in children results from eating lead-based paint chips. hope this helps

Farmer because a farmer needs the soil to grow his crops and if a power plant leaks he will have no more crops

Why do lighthouses use lenses?

Answers

To see far away? I'm thinking that like human glasses, lighthouses need lenses to see the far away boats. Or humans.

Other Questions

A student adds 0.40g of sodium hydroxide to a clean, dry 250 mL beaker and leaves the beaker and leaves the beaker on the lab table. The mass of the empty beaker is 112.58g. After 24 hours, the student observes that the beaker contains a dry, solid white residue. The total mass of the beaker and its contents is 113.09g. Following are three possible chemical reactions that could have occured: Sodium Hydroxide (solid) + Carbon Dioxide (gas) rightarrow Sodium Bicarbonate (solid) Sodium Hydroxide (solid) + Carbon Dioxide (gas) rightarrow Sodium Carbonate (solid) + Water (gas) Sodium Oxide (solid) rightarrow Sodium Oxide (solid) + Water (gas) Use your knowledge of stoichiometry to determine which chemical reaction occurred. Show your work, and explain your reasoning whenever needed.

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Which of the following is a property of both gases and liquids?