CHEMISTRY HIGH SCHOOL

If a hypothesis is tested repeatedly and is not proven false it may next become a - A) Law
B) Rule
C) Theory
D) Higher

Answers

Answer 1
Answer: Theory. It might be disproved in the future, so it can not be a law until it solid as a rock. Brainliest the answer and I will explain more.

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Which of the following is type of bonding involves the complete transfer of a valence electron from a less electronegative atom to a more electronegative one?. a.ionic bonding. b.metallic bonding. c.covalent bonding. d.hydrogen bonding
Discuss the function of a buffer. How will pH change when small amounts of acids or bases are added to the buffer solution?

If the temperature remains constant, an increase in pressure will

Answers

Have a decrease in volume.
By increasing the pressure, the volume must be decreasing because the particles are closer together and will be colliding more—which causes pressure.

Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g). The reaction between CO and H2 is carried out at a specific temperature with initial concentrations of CO = 0.29 M and H2 = 0.51 M. At equilibrium, the concentration of CH3OH is 0.14 M. Find the equilibrium constant at this temperature.

Answers

Answer:

please check image and explanation

Explanation:

First write the balance chemical reaction

CO(g)+2H2(g)⇌CH3OH(g)

To find out the equilibrium constant first need to find the concentration of each entities at equilibrium.

Rest all thing in the image

What gas is formed when magnesium reacts with hydrochloric acid?

Answers

Hydrogen gas is formed when magnesium reacts with hydrochloric acid.

if the proper dosage of a drug is 2.0mg/kg of body weight, how many milligrams (mg) of the drug would a 110 lb individual need? (5%)

Answers

110lbs (1 kg / 2.204 lbs) (2.0mg / 1 kg) = 99.818

Compared to an atom of phosphorus-31, an atom of sulfur-32 contains

Answers

Answer:

one more proton

Explanation:

The symbol for phosphorous is P; it is element 15 on the Periodic Table. That

means phosphorous-31 has 15 protons. The symbol for sulfur is S; it is

element 16 on the Periodic Table. Sulfur-32 has 16 protons.
 Phosphorus has 1 less proton and electron than sulfur in this case because remember the amount of protons are equal to the amount of electrons in the element. 

If you have respiratory or heart problems, _____ can make it worse. carbon monoxide oxygen nitrogen sulfur oxide nitrogen oxide

Answers

If you have respiratory or heart problems, carbon monoxide can make it worse. This is because carbon monoxide is soluble in water and our body consists mostly of water. It can be toxic when dissolved in large amounts. 
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