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Chemical Reactions
Page 7
Questions (14,658)
Chromate ions react according to the following equation, where the left side of the reaction is yellow and the right side is
3 answers
asked by
Brooklynn
553 views
When 0.500 g of an unknown compound was dissolved in 15.0 g benzene, the freezing point depression was determined to be 0320C.
2 answers
asked by
Jessica
610 views
I have a question that I don't understand from my first year chem lab.
Calculate the minimum volume of water needed to decompose
4 answers
asked by
Joshua
878 views
Consider the following reaction: 2 Mg + O2 → 2 MgO ΔH rxn = -1203 kJ
Calculate the amount of heat (in kJ) associated with
5 answers
asked by
Chemistry
6,451 views
Pentane (C5H12) burns in oxygen to produce carbon dioxide and water.
C5H12(g)+8O2(g)→5CO2(g)+6H2O(g) Calculate the mass of CO2
6 answers
asked by
Alex
5,971 views
For the titration of 50.00 mL of 0.106 M NH3 with 0.225 M HCl, calculate
(A) the initial pH and when the pH neutralization is (B)
4 answers
asked by
Rosi
1,479 views
Given the following balanced equation, determine the rate of reaction with respect to [O2].
2 SO2(g) + O2(g) → 2 SO3(g)
4 answers
asked by
Rose
7,023 views
Calculate the theoretical amounts of 0.1000 M NaOH titrant used to titrate 0.8 and 0.9 g KHP
Please show step by step solution ,
4 answers
asked by
Jessy
1,403 views
If the rate law of a chemical reaction is k[NH4+]2[NO2–], what is the order of the reaction?
1. The order of the reaction
5 answers
asked by
Jessie
2,040 views
Sucrose, C12H22O11, is burned to produce carbon dioxide and water.
What is the balanced formula and reaction type?
4 answers
asked by
Jacob
3,040 views
what combinations of Zn, Al, ZnSO4 and Al2(SO4)3 would you make to illustrate that Zn is less active than Al?
4 answers
asked by
shannon
2,920 views
You place 1.234 g of solid Ca(OH)2 in 1.00 L of pure water at 25°C and it partially dissolves. The pH of the solution is 12.40.
4 answers
asked by
Kelly
1,111 views
When 20.0 g C2H6 and 60.0 g O2 react to form CO2 and H2O, how many grams of water are formed?
9 answers
asked by
pls help
10,456 views
In which situation can Le Chatelier’s principle be applied?(1 point)
It can be applied when a reaction happens in a single
7 answers
asked by
bill nye the science guy
2,185 views
What is the net ionic equation for the precipitation of nickel sulfide from aqueous solution.
5 answers
asked by
Anonymous
8,271 views
2CH3OH(g)→2CH4(g)+O2(g)ΔH=+252.8kJ
For a given sample of CH3OH, the enthalpy change during the reaction is 82.2kJ . How many
5 answers
asked by
ihatechem
11,417 views
what is the net ionic equation for manganese sulfide and hydrobromic acid?
5 answers
asked by
sandra
5,903 views
For the following reaction
KClO2->KCl+O2 assign oxidation states to each element on each side of the equation. Reactants K=? Cl=?
5 answers
asked by
chris12
27,915 views
Where possible, classify these systems as reactant-favored or product-favored at 298 K. If the direction cannot be determined
5 answers
asked by
Sophie
10,393 views
1) Aqueous solutions of potassium sulfate and ammonium nitrate are
mixed together. Which statement is correct? A) Both KNO3 and
5 answers
asked by
mathew
9,242 views
What is the minimum amount of 6.0 M H2SO4 necessary to produce 19.0 g of H2(g) according to the reaction?
2Al(s)+3H2SO4(aq)→Al2
5 answers
asked by
anon
7,150 views
Using the activity series, write a balanced chemical equation for the following reactions:
1. iron metal is added to a solution
5 answers
asked by
Jessica
8,837 views
the activation energy for the decomposition of HI(g) to H2(g) and I2(g) is 186kj/mol. the rate constant at 555k is 3.42 x 10^-7
5 answers
asked by
Jim
9,500 views
Am I correct?
Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions of dollars
4 answers
asked by
patrick
11,898 views
Nitrosyl bromide decomposes according to the following equation.
2NOBr (g)(equilibrium arrow) 2NO (g) + Br2 (g) A sample of NOBr
4 answers
asked by
jessie
11,741 views
Balance the following equation for a half reaction that occurs in acidic solution. Use e– as the symbol for an electron.
Mo^3+
4 answers
asked by
Anonymous
7,448 views
Please help with this problem =)
The combustion of liquid chloroethylene, C2H3Cl, yields carbon dioxide, steam, and hydrogen
4 answers
asked by
Jack
5,741 views
TiO2 + C + 2Cl2 > TiCl4 + CO2
If you begin with 1.25 moles of TiO2, what mass of Cl2 gas is needed? i got 175g of Cl2 is my
6 answers
asked by
shaggy
9,051 views
85ml of 0.1M h2so4 solution is titrated against 0.1N koh solution . Calculate the concentration of salt formed when the acid is
4 answers
asked by
Piyush
4,026 views
The reaction CHCL3(g)+CL2(g)_CCL4(g)+HCL(g) has the following rate law:Rate =k [CHCL3][CL2].If the concentration of CHCL3 is
4 answers
asked by
Felix
7,429 views
For a one step reaction, the activation energy for the forward reaction is 40.0 kJ mol-1, and the enthalpy of reaction is -20.0
4 answers
asked by
Anonymous
2,728 views
what occurs during the reaction below
4Hcl+MnO2-->MnCl2+2H2O+Cl2 1.the manganese is reduced and its oxidation number changes from
5 answers
asked by
Tina
4,883 views
Sulfur trioxide dissolves in water, producing H2SO4. How much sulfuric acid can be produced from 12.1 mL of water (d=1.00g/mL)
5 answers
asked by
Jon
4,801 views
A mixture of CuSO4 and CuSO4·5 H2O has a mass of 1.235 g. After heating to drive off all the water, the mass is only 0.830 g.
4 answers
asked by
Noelle
5,108 views
The first step in the Ostwald process for making nitric acid is the formation of NO as follows; 4HN3 + 5O2 makes 4NO + 6 H2O.
4 answers
asked by
lavonne
4,206 views
write the net ionic equation for the unknown titration reaction in this experiment.
KHC8H4O4(aq) + NaOH(aq)----> KNaC8H4O4 +
7 answers
asked by
natash
3,976 views
The combustion of methanol (CH3OH) forms carbon dioxide and water vapor. A combustion reaction refers to a reaction of a
5 answers
asked by
Anonymous
4,845 views
Enter the balanced complete ionic equation for HCl(aq)+K2CO3(aq)→H2O(l)+CO2(g)+KCl(aq)
Would it be: 2H+(aq) + 2Cl^-(aq) +
4 answers
asked by
Brandon
6,312 views
Write the formula for a complex formed between Ni 2+ and NH3, with a coordination number of 5.
Write the formula for a complex
5 answers
asked by
Sophie
10,950 views
carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constanst (K) for this reaction
13 answers
asked by
Mima
8,542 views
write a net ionic equation for?
2KI + Pb(NO3)2 ==>2KNO3 + PbI2 This is my answer below 2I^- + NO3==>2No3 +I2^- can anyone tell me
5 answers
asked by
Aparicio
11,811 views
In order to neutralize the acid in 10.0 mL of 18.0 mol/L sulfuric acid that was spilled on a laboratory bench, sodium
4 answers
asked by
Jennifer
2,579 views
What is the balanced equation for the reaction between dilute tetraoxosulphate (vi) acid and sodium hydroxide solution
4 answers
asked by
Gift
1,469 views
Write the equation for the dissociation of carbonic acid.
6 answers
asked by
molly
4,666 views
At a given temperature, a first-order reaction has a rate constant of 3.5 ´ 10–3 s–1. How long will it take for the
5 answers
asked by
Juli
6,081 views
Write a balanced equation for the dissociation of Mg(NO3)2. I wrote Mg(NO3)^2(s)==>Mg^2+(aq)+NO3^3-(aq)
That isn't the answer in
4 answers
asked by
rose
3,299 views
if an excess of nitrogen is reacted with 3.41 g of hydrogen, how many grams of ammonia can be produced?
5 answers
asked by
Anonymous
4,378 views
What colors would you expect to see in a flame for the following compounds: potassium chloride, potassium nitrate, and potassium
5 answers
asked by
Sarah
1,938 views
How many kilojoules are absorbed when 318 g of Ca(OH)2 reacts?
6 answers
asked by
kiersten
3,566 views
The reaction:
H2PO4- + HAsO42 ---> HPO4- + H2AsO4- Which one of the sets above lists both of the base species involved in the
5 answers
asked by
Swaastikaa
5,491 views
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