J.R. S.

The Mole And Gas Volume

02/19/18

Calculate the number of atoms in 4.8dm3 of Neon gas at rtp

Calculate the number of atoms in 4.8dm3 of Neon gas at r.t.p.

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Science Chemistry Ap Chemistry

02/19/18

How do I solve this problem on the reaction 2A+B==>C+2D

Consider the reaction 2A+B==>C+2D. The rate law for this reaction is first order in A and first order in B. If the rate constant at 25°C is 3.01×10^2 s^-1, find the rate of reaction when the... more

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Science Chemistry Ap Chemistry

02/19/18

How do I solve this AP Chemistry problem on the reaction A+2B==>C.

Consider the reaction A+2B==>C. The rate law for this reaction is second order in A and second order in B. If the rate constant at 25°C 1.25×10^-2 s^-1, find the rate of reaction when the... more

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Science Chemistry Ap Chemistry

02/19/18

How do I solve this AP Chemistry rate law problem?

The rate expression for a particular reaction is Rate=[A][B]^2. If the initial concentration of B is increased from 0.1M to 0.3M, the initial rate will increase by what factor?

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Science Chemistry Ap Chemistry

02/19/18

For the reaction A+2B==>AB2, the following data were obtained

For the reaction A+2B==>AB2, the following data were obtained Trial 1 Inital [A]=0.660M Initial [B]=0.470M Initial rate (M/hr)=0.370 Trial 2 [A]=0.660M [B]=0.940 initial... more

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Science Chemistry Ap Chemistry

02/19/18

For the reaction A+B==>AB, the following data were obtained

For the reaction A+B==>AB, the following data were obtained Trial 1 Initial [A]=0.480 Initial [B]=0.190 Initial rate= 0.350 Trial 2 [A]=0.480. [B]=0.380 initial rate=0.350 Trial... more

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Science Chemistry Ap Chemistry

02/19/18

How do I solve this rate law problem?

For the reaction 2A+B==>C+D if the concentration of A is doubled, the reaction doubles. If the concentration of B is halved there is no change in the reaction rate. Determine the order of... more

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Gas Laws

02/19/18

I need help. I’m very confused with these questions

I’m very confused on this question: 1.83cm3 of a liquid of density of 0.803gcm-3 was injected into a syringe maintained at 200 celcius. The liquid vaporised completely and occupied 808.54cm3 at... more

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Algebra 2

02/19/18

How many kilograms of each alloy should the metalworker combine to create 80 kg of a 48% copper alloy?

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Science Chemistry Ap Chemistry

02/18/18

How do I solve this problem on a first order reaction?

The reaction 2NO2 (g)+O3 (g)==>N2O5 (s)+O2 (g) is first order with respect to each reactant A. Write the rate expression for the reaction B. How does doubling the the concentration of... more

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Science Chemistry Ap Chemistry

02/18/18

How do I solve this rate law problem on the decomposition of ammonia on a platinum surface at 856°C

In the decomposition of ammonia on a platinum surface at 856°C 2NH3(g)+==>N2(g)+3H2 (g) Changing the concentration of nh3 has no effect on the rate. How do I write the rate law?

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Science Chemistry Ap Chemistry

02/18/18

How do I solve this rate law problem

A reaction has the experimental rate law of rate=k [A]^2 A. What happens to the rate if the concentration of A is tripled? B. What happens to the rate if the concentration if A is reduced... more

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Science Chemistry Ap Chemistry

02/18/18

How do I solve this problem on equilibrium pressures?

The following equilibrium pressures at a certain temperature were observed for the reaction: 2NO2 (g)<==>2NO (g)+O2 P (NO2)=0.55atm P (NO)=6.5×10^-5 atm P (O2)= 4.5×10^-5... more

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Chemistry

02/18/18

Reactions of elements chemistry

when added to a sealed flask and heated, 60.0g carbon and 160.0g of oxygen react to form 220.0g of carbon dioxide. How many grams of carbon are there in the container after the reaction has occurred?

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Chemistry

02/18/18

Chemistry reactions

when added to a sealed flask and heated, 6.0g carbon and 16.0g of oxygen react to form 22.0g of carbon dioxide. How much carbon dioxide is formed when 12.0g of carbon is reacted with 100.0g of oxygen? more

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Chemistry Chemistry Lab

02/18/18

Precipitate (Chemistry)

Given a "substance A" that reactswith a "substance B" to form aprecipitate. If you have an "unknownsolution" and add some substance Bin it, and get a precipitate, does itmean that your "unknown"... more

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Chemistry, Heat Of Reaction

02/18/18

Heat of reaction

KOH(s) → K+(aq) + OH– (aq) ΔHdissolution = –56 kJThe temperature of 150 mL of water rises by 26.76 °Cafter adding some amount of KOH. What is the molarconcentration of the solution? (cwater= 4.186... more

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The Molecular Nature Of Matter

02/18/18

How many grams of oxygen are needed for the complete combustion of 1.00 gallons of ethanol to give carbon dioxide and water

I cant get this answer right Need help

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Chemistry

02/16/18

Measurement question

Which graduate cylinder is more precise measuring device ? - The 50mL graduated cylinder - The 10mL graduated cylinder - Neither, they both have the same precision -Neither device is precise... more

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Stereochemistry

02/16/18

Acid base chemistry

How many molecules of Sulphuric acid is needed to neutralise 5ml of Sodium Carbonate and 5 volumes of Tetraoxosulphate (VI) acid when Calcium is heated at a temp of 200°C using Nickel as a catalyst?

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Chemistry Ap Chemistry

02/16/18

How do I solve this AP Chemistry problem?

At a given temperature, K=1.3×10^-2 for the reaction calculate values of K for the following reactions at this temperature At a given temperature K=1.3×10^-2 for the reaction N2 (g)+3H2... more

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Chemistry Ap Chemistry

02/16/18

How do I write the equilibrium expression for each of the reactions below

A.N2 (g)+O2==>2NO (g)B. 2NH (g)==>N2 (g)+ 3H2 (g)C. NH3 (g)==> 1/2N2(g)+3/2H2(g)D. 2N2 (g)+6H2 (g)==>4H3 (g)

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Chemistry Ap Chemistry

02/16/18

How do I write the equilibrium expression (K) for each of the following gas phase reactions?

A.N2 (g)+O2==>2NO (g) B. 2NH (g)==>N2 (g)+ 3H2 (g) C. NH3 (g)==> 1/2N2(g)+3/2H2(g) D. 2N2 (g)+6H2 (g)==>4H3 (g)

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Chemistry

02/16/18

What mass of each element would be recovered mass 0.847 and 50.51 flourine 49.49 iron

Mass recovered each element

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Molarity Chemistry, Homework

02/16/18

If you dilute 13.1 mL of a 3.5 M solution to make 193.2 mL of solution, what is the molarity of the dilute solution?

im not exactly sure how to find the molarity, an answer would be nice, and also how to do it.

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Calculate the number of atoms in 4.8dm3 of Neon gas at rtp

How do I solve this problem on the reaction 2A+B==>C+2D

How do I solve this AP Chemistry problem on the reaction A+2B==>C.

How do I solve this AP Chemistry rate law problem?

For the reaction A+2B==>AB2, the following data were obtained

For the reaction A+B==>AB, the following data were obtained

How do I solve this rate law problem?

I need help. I’m very confused with these questions

How many kilograms of each alloy should the metalworker combine to create 80 kg of a 48% copper alloy?

How do I solve this problem on a first order reaction?

How do I solve this rate law problem on the decomposition of ammonia on a platinum surface at 856°C

How do I solve this rate law problem

How do I solve this problem on equilibrium pressures?

Reactions of elements chemistry

Chemistry reactions

Precipitate (Chemistry)

Heat of reaction

How many grams of oxygen are needed for the complete combustion of 1.00 gallons of ethanol to give carbon dioxide and water

Measurement question

Acid base chemistry

How do I solve this AP Chemistry problem?

How do I write the equilibrium expression for each of the reactions below

How do I write the equilibrium expression (K) for each of the following gas phase reactions?

What mass of each element would be recovered mass 0.847 and 50.51 flourine 49.49 iron

If you dilute 13.1 mL of a 3.5 M solution to make 193.2 mL of solution, what is the molarity of the dilute solution?

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J.R. S.

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Emmersion

Calculate the number of atoms in 4.8dm3 of Neon gas at rtp

How do I solve this problem on the reaction 2A+B==>C+2D

How do I solve this AP Chemistry problem on the reaction A+2B==>C.

How do I solve this AP Chemistry rate law problem?

For the reaction A+2B==>AB2, the following data were obtained

For the reaction A+B==>AB, the following data were obtained

How do I solve this rate law problem?

I need help. I’m very confused with these questions

How many kilograms of each alloy should the metalworker combine to create 80 kg of a 48​% copper​ alloy?

How do I solve this problem on a first order reaction?

How do I solve this rate law problem on the decomposition of ammonia on a platinum surface at 856°C

How do I solve this rate law problem

How do I solve this problem on equilibrium pressures?

Reactions of elements chemistry

Chemistry reactions

Precipitate (Chemistry)

Heat of reaction

How many grams of oxygen are needed for the complete combustion of 1.00 gallons of ethanol to give carbon dioxide and water

Measurement question

Acid base chemistry

How do I solve this AP Chemistry problem?

How do I write the equilibrium expression for each of the reactions below

How do I write the equilibrium expression (K) for each of the following gas phase reactions?

What mass of each element would be recovered mass 0.847 and 50.51 flourine 49.49 iron

If you dilute 13.1 mL of a 3.5 M solution to make 193.2 mL of solution, what is the molarity of the dilute solution?

Still looking for help? Get the right answer, fast.

OR

J.R. S.

How many kilograms of each alloy should the metalworker combine to create 80 kg of a 48% copper alloy?