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Chemistry Questions

Asked: What is the aluminum hydroxide in life?

Why aluminum hydroxide is so common in people's life? Because its role is very extensive, also brought a lot of convenience to people's life, has the vital role in people's life, in every field has ...

Asked: Solution A is 0.10moldm-3 HCl. B is a solution ...

Solution A is 0.10moldm-3 HCl. B is a solution of sodium trioxocarbonate(IV). 25cm3 of B is titrated against A using methyl orange as indicator. 23.5cm3 of A is used in titration. Calculate the mass ...

Asked: Calculate the volume of oxygen elvoved at 294K ...

Calculate the volume of oxygen elvoved at 294K if a current of 3.5A is passed through acidified water for 1.8minutes [molar volume of gas is 22.40dm3, 1 Faraday = 96500C].

Asked: Find blood stains you can't see?

Find blood stains you can't see?

Asked: When a radioactive element emits alpha particle ...

When a radioactive element emits alpha particle, state what happens to its I. mass number II. atomic number

Asked: If a certain mass of hydrogen gas collected ...

If a certain mass of hydrogen gas collected over water at 27 deg Cent. and 727mmHG has a volume of 1729cm3. Caculate the volume of the dry gas at S.T.P (S.V.P of water at 27 deg. Cent. = 27mmHg).

Asked: A given mass of gas occupies 850cm3 at 320k and ...

A given mass of gas occupies 850cm3 at 320k and 0.92*10^5Nm-2 pressure. Calculate the volume of the gases at standard temperature and pressure. [Pressure at s.t.p = 101325Nm^-2]

Asked: What is the chemical equation for the reaction ...

What is the chemical equation for the reaction between propanoic acid and sodium

Asked: An alkanoic acid Q has a relative molecular mass ...

An alkanoic acid Q has a relative molecular mass of 74. What type of reaction is involved when Q is converted to an alkanoate?

Asked: A sample of tap water is found to be 0.025 M in ...

Ksp of CaSO4 is 7.10*10^-5 Molar mass of Na2SO4 is 142.04g/mol --------------------------------------------------------------------------------------- My Attempt: Step 1 - figure out ...

Asked: When was the last nuclear weapons test?

when was the last nuclear weapons test?

Asked: How can I find air?

how can I find air?

Asked: Where are MOCVD systems in France

Where are MOCVD systems in France?

Asked: What point does gas ignite?

What point does gas ignite?

Asked: I need online tutoring for Periodic table.

I need online tutoring for Periodic table.

Asked: What are amadites?

what are amadites?

Asked: What body of water surround Cambodia?

Education,Science

Asked: You are asked to identify an unknown material from ...

Q. You are asked to identify an unknown material from the following list or properties, select the four that could be used to identify the material. the other properties can be measured, but may not ...

Asked: Which of these properties is a chemical ...

Which of these properties is a chemical property of copper? A.It sinks in water, B.It conducts heat, C.It's harder than gold, D.It turns green with age

Asked: How many PHD chemists were there in the US in ...

How many PHD chemists were there in the US in 1928

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