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Chemical Reactions
Page 5
Questions (14,658)
a. Cl2 + 2NaI → 2NaCl + I2
This is a single replacement reaction. b. 2K + 2HCl → 2KCl + H2 This is a single replacement
5 answers
asked by
krystal
4,141 views
Consider these changes. (a) Hg(l)->Hg(g) (b) 3O2(g)->2O3(g) (c) CuSo4*5H2O(s)->CuSO4(s)+5H2O(g) (d) H2(g)+F2(g)->2HF(g) At
4 answers
asked by
Anonymous
6,040 views
If you wanted to create a equimolar buffer using 1.0 mol of NaHS in 1.0L of water what acid would you need to add? how many
4 answers
asked by
Jake
3,444 views
Using an ionic equation, show how an aqueous solution of hydrochloric acid containing hydroxonium ion neutralizes a potassium
7 answers
asked by
Bilkiss
2,105 views
Magnetite, an iron ore with formula Fe3O4, can be reduced by treatment with hydrogen to yield iron metal and water vapor.
(a)
6 answers
asked by
Marie
4,955 views
For each of the following chemical reactions:
a.)classify the reaction as combination, decomposition,single replacement, or
10 answers
asked by
Yeah
3,962 views
ph of 0.001M H2X OF 50%dissosiation
4 answers
asked by
junaid
3,163 views
In the titration of 20.00 mL of 0.175 M NaOH, calculate the number of milliliters of 0.200 M HCl that must be added to reach a
4 answers
asked by
Helga
2,464 views
If sulphur (iv) oxide and methane are released simultaneously at the opposite end of a narrow tube the rate of diffusion Rso2
5 answers
asked by
Brad
1,891 views
When 1.10 mol of NaOH is added to 1.00 L of 0.30 M HCl the pH of the resulting mixture is:
a) 0.52 b) 0.70 c) 1.00 d) 13.30
5 answers
asked by
Julia
961 views
A 25ml solution of 0.5M NaOH is titrated until neutralized into a 50ml sample of HNO3. What was the concentration of the HNO3?
7 answers
asked by
Rodney Peter
826 views
8.5g of sample of iron required just 75cm3 of 3.00M HCl to dissolve it and give a neutral solution.Calculate the percentage
4 answers
asked by
Kazembeous
1,510 views
NH4Cl(s) → NH3(g) + HCl(g) ΔH°=176 kJ/mol
At 25 °C, this reaction has a ΔG° of 91.1 kJ/mol. What is the ΔS° of this
6 answers
asked by
Summer
2,912 views
150 mL of 2.50 M NaOH is added to a 200 mL solution of 1.80 M HF.
1. Write the net ionic equation 2. Determine the pH of the
4 answers
asked by
qwerty
619 views
Consider the following reaction:
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 → 2 Cr2(SO4)3 + 3 CH3COOH + 2 K2SO4 + 11 H2O Which statement
4 answers
asked by
chloe
1,548 views
the rate of formation of NH3 is .15 mol/Lmin. What is the rate of this reaction?
N_2_ + 3H_2_ ---> NH3 the answer should be .075
4 answers
asked by
Audrey
2,073 views
The net ionic equation for ALL aqueous reaction of strong acids and strong soluble bases that form soluble salts is
1. the
4 answers
asked by
Elva
2,611 views
Write the formation reaction for ammonium acetate, NH4C2H3O2(s)
4 answers
asked by
Dua
1,001 views
Propane (C3H8) burns according to the following balanced equation: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g) Part A Calculate ΔH∘rxn
4 answers
asked by
lea
1,675 views
A sample of water decomposes to make 4g of hydrogen gas and 32g of oxygen gas. What mass of water decomposed? How do you know?
Hi
4 answers
asked by
AJ
1,799 views
A BALANCED CHEMICAL EQUATION BTW IRON (Fe3+) and NaOH.
4 answers
asked by
Saddik
6,668 views
When heated, elemental phosphorus, P4, produces phosphine, PH3, and phosphoric acid, H3PO4. How many grams of phosphine are
4 answers
asked by
ms
1,994 views
what is the reaction between tetraoxosulphate(vi) and calcium hydroxide
4 answers
asked by
What is the reaction between tetraoxosulphate(vi) and calcium hydroxide
979 views
How can you shift the equilibrium of the reaction between hydrogen and chlorine toward the products?
H2(g) + Cl2(g) --> 2HCl(g)
4 answers
asked by
erika
1,939 views
Silver reacts with hydrogen sulphide gas, and oxygen according to the reaction:
4Ag(s) + 2H2S(g) + O2(g) → 2Ag2S(s)+ 2H2O(g)
4 answers
asked by
Anonymous
673 views
balance half equations in basic solution
ClO3- to ClO4- Zn to zn2+ BrO3- to Br- IO3- to I2 Sn2+ to Sn4+
4 answers
asked by
roxy
2,805 views
What is the solute-solvent interaction between silver nitrate in water?
4 answers
asked by
Someone
733 views
why might you not observe a reaction even though an activity series indicates it should occur?
4 answers
asked by
mel <3
1,401 views
25.9 kJ + 1/2 H2 + 1/2 I2 -> HI
B) how much energy is needed for the reaction of 4.57E24 molecules of iodine, I2, with excess
4 answers
asked by
A Canadian
1,669 views
what type of reaction is Al+S8=Al2S3
4 answers
asked by
angel
2,078 views
The rate of a chemical reaction increases as the temperature of reacting materials increases. baking Powder gives off carbon
4 answers
asked by
HELP PLEASE I NEED TO TURN IN!!
636 views
3.13 g of sodium (Na) react with 7.17 g of chlorine (Cl2) to produce 10.3 g of sodium chloride (NaCl).
What is the mass percent
4 answers
asked by
Auzy
1,605 views
Concerning the following reaction at equilibrium:
3Fe(s) + 4H2O(g) Fe3O4(s) + 4H2(g), increasing the concentration of the Fe(s)
4 answers
asked by
ken
4,699 views
What mass, in grams, of sodium hydroxide (NaOH) is produced if 20 grams of sodium metal(Na) reacts with excess water?
4 answers
asked by
Anonymous
2,071 views
Ammonia is manufactured on a large scale by the Haber's process. .In a particular plant,conditions of 400degreeC and 250atm in
4 answers
asked by
Anonymous
863 views
The aquation of tris(1,10-phenanthroline)iron(II) in acid solution takes place according to the equation:
Fe(phen)32++ 3 H3O++ 3
6 answers
asked by
Derek
4,787 views
A sample of Manganese (II) Chloride has a mass of 19.8 grams before heating, and 12.6 grams after heating until all the water is
4 answers
asked by
Diana
3,984 views
suppose you heat a hydrate too quickly and some of it was lost as it spattered out of the container. Explain how this would
3 answers
asked by
sara
1,937 views
13. Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as
follows: Cu2S(s) + O2(g) „_ 2Cu(s) +
4 answers
asked by
lee
2,223 views
5.0 moles of nitrogen gas is reacted with 2.5 moles of oxygen gas in an 10. L container. At equilibrium, 1.5 moles of nitrogen
3 answers
asked by
ppls of americana
804 views
dr. halite combined sodium metal with chlorine gas to make sodium chlorine (table salt). The chemical reaction used up all of
4 answers
asked by
artie
1,201 views
CaCO3 --- CaO+CO2 the mass of CaCO3 that must be decomposed to give 22g of CO2
4 answers
asked by
Emelia
463 views
When the following solutions are mixed together, what precipitate (if any) will forms? Write the reaction equation for all the
3 answers
asked by
Jordan
1,501 views
An oxalic acid solution contains the following species in varying concentrations: H2C2O4, HC2O4-, C2O4^2-, and H+. Which of the
3 answers
asked by
Amber
2,302 views
Starting with 50cm³ of 2.8M sodium hydroxide, describe how a sample of pure sodium sulphate crystals can be prepared
4 answers
asked by
Bravo
270 views
The disinfectant hydrogen peroxide (H2O2)
decomposes to form water and oxygen gas. How much O2 will result from the decomposition
3 answers
asked by
james
704 views
CH4 (g)+ H2O (g) --->/<---- 3H2 + CO
Use Le Chateliers Principle to explain what will happen to the number of moles of hydrogen
3 answers
asked by
Student
1,629 views
Calculate the delta H for the reaction :
2H3BO3(aq) reacts with B2O3(solid) + 3H2O
4 answers
asked by
Logan
1,228 views
What is the reaction & calculation when KIO3 mixed with KI, HCl by titration with Na2S2O3?
3 answers
asked by
Selim
1,340 views
How many grams of water will be produced if 32.0 g of nitrous oxide are also produced in the reaction? useing this equation:
NH4N
3 answers
asked by
Jane
1,135 views
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