Chemistry

Question: What is Chemistry

Chemistry is science that deals with matter, properties, composition,structure,laws and principles that govern changes.-Chemistry is the science of matter and the changes it undergoes. The science of

Is a solution whose [H+] = 4.0 x 10^-12 M acidic, basic, or neutral

Is a solution whose [H+] = 4.0 x 10^-12 M acidic, basic, or neutral? How can I go about determining this, since Im not given the pH?-The answer is determined through the equation: pH=-log([H+]) Then

Which of the following is true of polytropic acids

(a) they contain only one ionizable hydrogen (b) Ka1 (c) Ka1>Ka2 (d) none can anyone help me with this :) thanks in advance:)))-In a polyprotic acid: (c) Ka1>Ka2

Chemistry homework help!?!

For the reaction: N2 + H2 --> NH3 what is the maximum amount of NH3 (17.0305 g/mol) which could be formed from 9.85 mol (28.0134 g/mol) of N2 and 4.11 mol of H2 (2.01588 g/mol)? thank you so much!-T

Chemistry 101, A neutralization Problem ** 10 points **, details inside

A solution of 0.300 M NaOH is used to neutralize 25.00 mL H3PO4 solution. If 37.5 mL NaOH solution is required to reach the endpoint, what is the molarity of the H3PO4 solution? I did the first step

What element is the symbol K

What element is the symbol K?-K=Potassium-Never give up the chance to learn something new.Report Abuse-Kalium. The K comes from the Latin name for the element that we know as potassium.Interestingly e

Potassium and sodium are much more abundant than lithium. So why is lithium used in batteries instead

Please answer simply, at least 2 reasons. Thank you.-Hi, thank you for your question. Lithium is better because of its light weight and it has the maximum oxidation potential. Having a large oxidat

Calculate the volume of each of the following gas samples at STP.

1. 8.7 mol C2H6 2. 0.250 mol CO 3. 0.465 mol CO2 4. 24.1 mol N2O All of these should be in liters (L). Can someone help me please?-All of these can be answered with the Ideal Gas Law: PV=nRT. STP

Help balancing a chemical equation

Can anyone help me balance this chemical equation? Thanks! ___ H2SO4 + ____ Pb(OH)4 --> ___ Pb(SO4)2 + ___ H2O-2 H2SO4 + Pb(OH)4 → Pb(SO4)2 + 4 H2O

I have an oxidation-reduction reaction question!

Which of the following is NOT an oxidation-reduction reaction? a) H2O + SO2 -> H2SO3 B)N2 +O2 -> 2NO c)H2 + Cl2 -> 2HCl d) 2NaBr + Cl2 -> 2NaCl + Br2-(a) is NOT an oxidation-reduction reaction. None

Is this scientifically correct

Evaporation is a process where liquid water changes to water vapor. For evaporation to occur, the liquid molecules have to get near the liquid’s surface and build up enough kinetic energy to overcome

Arrange the following elements in order of increasing electronegativity. In Al O Ga B

This is an Lon Capa question I thought I knew the answer but which I though it would be Al, In, Ga, B and O! I tried it forward backwards every possible way! Please help!-In In, Ga, Al and B all make

Chemistry help please

A mixture of gases contains 0.67 mol N2, 0.48 mol O2, and 0.29 mol CO2. If the total pressure of the mixture is 1.37 atm, what is the partial pressure of each component?-0.67 + 0.48 + 0.29 = 1.44 mol

How much NH4NO3 is required to produce 47.2 g of N2O? (more detail plz read on)

Laughing gas (nitrous oxide, N2O) is sometimes used as an anesthetic in dentistry. It is produced when ammonium nitrate is decomposed according to the reaction: NH4NO3(s) -----> N2O(g) + 2H2O(l) How m

Which of the following effectively increases the reactant concentration and increases the reaction rate

decreasing pressure heating the reactant mixture increasing pressure cooling the reactant mixture Which of the following decreases the activation energy of a reaction? decreasing the temperature re