Primarygun

Thank you. Photosynthesis slows down or even stops when enough glucose is produced, right?

This means particles like to possess more kinetic energy than potential energy? Longitudinal wave is destructive to a ship in an ocean while transerve is not really much, right?

How does pH value affect a plant?

water wave can be longitudinal, right?

oh The Rebel has mentioned it before.

The general term of the expansion :[math] nCr (a)^{n-r} (b)^r [/math]

Oh sorry. I asked wrongly. Theoretically to calculate

So am I.

Thank you very much, friends.

So it's rather difficult for us to determine thw pH value of the mixed solution compared to the mixture of sodium hydroxide and phosphoric acid, right?

Are we able to determine the amount of acid salt formed in the reaction between phosphoric acid and calcium hydroxide? If the ratio is 1:2. Is that possible for all salts to be that kind of salt?

Thanks syntax252 and coquina. You two suggested several good ideas to me. In fact, I am very fit cos I did lots of exercises when I was young. I would like to have an explanation of why aerobic activities,like jogging, help one man to keep fit while anaerobic activities, like lifting weight, contribute little effort.

For excess acid in the solution, all the calcium hydroxide will dissolve due to neutralization .

There are two reactions which will undergo if sodium oxide is put into a beaker of acid, right?

Which activity would you choose in order to burn aways your fat in your body?100m or jogging? Experts said that jogging is better as it helps us take in more oxygen than usual to break down carbohydrates and then a little fat. Why doesn't 100 have the same effect? Moreover, it can help you release extra energy in a short time to support your vigorous activity. In other words, it helps you break down more carbohydrates. Am I righT?

Are you sure? The original reactant is a gas. Thanks budullewraagh. We usually eliminate the H2O(l) of both sides, right?

How about the ionic equation between solid sodium carbonate and hydrochloric acid?

I wonder whether the ionic equation is different. Such as now, chlorine atom is now considered taking part in the reaction as it finally becomes ions.

NoNo. I know of the concept. I want to check how do we present it. hydrogen chloride gas is one of the reactants. However, before the chemical equation, itself ionizes first. In this equation, it is (g) not named (aq). Therefore, I think the correct equation may differ from that one.

Ammonia dissolves in water and react with water to form ammonium ions and hydroxide ions. NH3(aq)+ H2O(l)+ HCl(aq)----> H2O(l)+ NH4Cl(aq) Or NH4OH(aq)+HCl(aq)---->NH4Cl(aq)+H2O(l) Moreover, can anyone write down the ionic equation of hydrogen chloride gas dissolve in sodium hydroxide?

Not excess calcium hydroxide?

How about 1:3?

After considering the factors, I change the calcium hydroxide into calcium hydroxide solution.

1:1 ?

How about calcium hydroxide solution?