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Chemical Reactions
Page 5
Questions (14,521)
Which is the oxidizing agent in the reaction below.
Cr2O72- + 6S2O32- +14H+ > 2Cr3+ + 3S4O62- +7H20 A. Cr3+ B. S4O62- C. Cr2O62-
5 answers
asked by
Debbie
4,980 views
CH3NH2(aq)+H2O(l)=>CH3NH3+(aq)+OH-(aq) Kb=4.4 x 10^-4
Methylamine, CH3NH2, is a weak base that reacts with water according to the
4 answers
asked by
Christina
3,635 views
9. when the [CO2] and [H2CO3] are both horizontal lines, the rate of the forward reaction is ____ The rate of the reverse
6 answers
asked by
frank ocean
1,153 views
The equation for synthesis of the poisonous gas COCl2 is
CO(g) + Cl2(g)COCl2 If 43.2 kJ of energy is evolved when 39.5 g of COCl2
5 answers
asked by
Melissa
2,368 views
If a chemical reaction such as photosynthesis begins with 6 atoms of carbon (C), how many atoms of carbon (C) should be in the
28 answers
asked by
Anonymous
10,836 views
Why is it easier to recover silver from a solution than to recover lithium from the same solution
5 answers
asked by
Josephine
2,623 views
Translate into a sentence: 2NaHCO3 --> Na2CO3+H2O+CO2
4 answers
asked by
Miroslava
2,851 views
is apple to apple juice reversible or irreversible?
4 answers
asked by
eggo
342 views
In an acidic solution, manganese(II) ion is oxidized to permanganate ion by bismuthate ion, BiO3-. In the reaction, BiO3- is
5 answers
asked by
Kelly
7,769 views
56g of N2 reacts with 30g of H2 to form NH3.Calculate the number of moles of NH3 formed.
4 answers
asked by
Anina Anna Charley
4,615 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
2,178 views
I stuck on this problem.
Can you help me to solve it? A reaction mixture in a 3.67L flask at a certain temp. initially contains
6 answers
asked by
Kim
8,055 views
What is the net ionic equation for the precipitation of nickel sulfide from aqueous solution.
5 answers
asked by
Anonymous
8,262 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
27,911 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
11,735 views
Calculate the percentage in ethanedioic acid crystals, (COOH)2.2H2O
7 answers
asked by
Jojo
1,737 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
9,039 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
7,421 views
White phosphorus, P4, spontaneously bursts into flame in oxygen. if 6.5g of white phosphorus reacts with sufficient oxygen to
5 answers
asked by
Amahler
2,116 views
need help to balance half reaction in basic solution
IO3 to I2
4 answers
asked by
Shana
10,739 views
Calculate the theoretical yield of NaCl (using mass-to-mass calculation). (Use the mass of
sodium carbonate reactant used as the
6 answers
asked by
elliott
7,323 views
carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constanst (K) for this reaction
13 answers
asked by
Mima
8,539 views
NH3(g) + 2O2 (g) = HNO3 (aq) + H2O (l)
How do I calculate the oxidation states of Nitrogen and figure out if it is reduced,
7 answers
asked by
Carli
5,361 views
Suppose that a 10-mL sample of a solution is to be tested for Cl- ion by addition of 1 drop (0.2mL ) of 0.15 M AgNO3 .
What is
5 answers
asked by
Josh
3,299 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
3,440 views
For each of the following chemical reactions:
a.)classify the reaction as combination, decomposition,single replacement, or
10 answers
asked by
Yeah
3,959 views
would you classify 2C(s) + H2(g) ---> C2H2(g) +227.4 as endothermic or exothermic? Why?
4 answers
asked by
No Name
2,194 views
Use the reaction, which produces ammonia, to answer the question.
N2(g) + 3H2(g) ⇄ 2NH3(g) Which change would happen in the
16 answers
asked by
bill nye the science guy
5,458 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
2,459 views
In the formation of smog, nitrogen and oxygen gas react to form nitrogen dioxide:
N2(g)+2O2(g)→2NO2(g)How many grams of NO2
6 answers
asked by
ellie
2,578 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
953 views
Calculate the mass of calcium chloride to make 0.2M calcium chloride solution
4 answers
asked by
lastkingwamadiwa
473 views
What volume of steam is produced when 10g of propyne is burnt in excess oxygen at STP
4 answers
asked by
Divine
687 views
For the reaction CH3COOH- CH3COO + H+, which of the following statements is true?
CH3COO- is an Arrhenius base. CH3COO- is a
5 answers
asked by
Unknown
7,736 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
822 views
35.0 mL of a 0.250 M solution of KOH is titrated with 0.150 M HCl. After 35.0 mL of the HCl has been added, the resultant
5 answers
asked by
Shiro
2,325 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
1,505 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
2,905 views
Iron reacts with chlorine to form iron(iii)chloride.
A)How many chlorines react with 1.86g of iron? B)What mass of
5 answers
asked by
Ava
3,316 views
Consider the reaction:
2CO(g) + O2(g) equilibrium 2CO2 (g) Write the equilibrium expression for this reaction. Keq = ?? Addition
4 answers
asked by
Pat
6,056 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
615 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
1,542 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
2,606 views
Calculate the concentration of [H+] and [OH-] in 0.002 mol/L of HNO3 solution.
4 answers
asked by
Jealson
904 views
Write the formation reaction for ammonium acetate, NH4C2H3O2(s)
4 answers
asked by
Dua
997 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
1,664 views
How many electrons are transferred in the reaction between magnesium metal and oxygen? Give your answer as a ratio of moles of
4 answers
asked by
help
1,450 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
1,936 views
A solution containing a mixture of metal cations was treated with dilute HCl and no precipitate formed. Next, H2S was bubbled
4 answers
asked by
Brunost
8,886 views
Determine the mass of calcium hydroxide produced when calcium carbide (CaC2) reacts with 0.64 grams of water according to the
5 answers
asked by
Halie
2,759 views
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