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Chemical Reactions
Page 4
Questions (14,524)
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
2,372 views
Carbon dioxide gas and solid lithium hydroxide yields solid lithium carbonate and water
4 answers
asked by
Jya
3,110 views
The products of the reaction between zinc and sulfruric acid are zinc sulfate, hydrogen sulfide, and water. Balance the equation
4 answers
asked by
Daniela
922 views
NaI(aq)+Hg2(C2H3O2)2(aq)-->
Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of
5 answers
asked by
Lalo
19,333 views
The mechanism for the reaction described by
2N2O5(g) ---> 4NO2(g) + O2(g) is suggested to be (1) N2O5(g) (k1)--->(K-1) NO2(g) +
5 answers
asked by
Mia
5,550 views
How many liters of sulphur trioxide are formed when 4800cm3 of sulphur dioxide is burned in air?
10 answers
asked by
Abel kinde
4,396 views
P4 + HNO3 = H3PO4 + NO2 + H20 by partial method balancing
5 answers
asked by
Durgesh
6,255 views
Bones are mostly calcium phosphate. Calcium chloride reacts with potassium phosphate to form calcium phosphate and potassium
4 answers
asked by
mandi
6,347 views
Write a net ionic equation for the reaction that occurs when cobalt(II) carbonate (s) and excess hydroiodic acid are combined.
6 answers
asked by
stone
8,379 views
Hydrogen and chlorine react to yield hydrogen chloride: H2+ Cl2 ( 2HCl. How many grams of HCl are formed from reaction of 3.56 g
5 answers
asked by
Anonymous
7,362 views
What is the net ionic equation for the neutralization of CHOOH with NaOH?
4 answers
asked by
Jessica
3,417 views
when aqueous solutions of sodium carbonate and manganese(V) chloride are mixed, a precipitate forms. The precipitate is a
6 answers
asked by
Lola
6,659 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
4,874 views
CuCO3=CuO +CO2.
Find the mass of 1mole of each substance taking part in the reaction. (Ar:Cu=64,C=12,O=16). When 31g of CuCO3 is
6 answers
asked by
Busola
5,263 views
LiOH and NaOH can each react with CO2
to form the metal carbonate and H2O. These reactions can be used to remove CO2 from the air
5 answers
asked by
mikey d.
3,113 views
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
4,136 views
Balance the equation in aqueous basic solution:
NO2-(aq) + Al(s) → NH3(aq) + AlO2-(aq) I know how to balance equations in
4 answers
asked by
Jessie
5,829 views
Which of the following chemical reactions represents a neutralization reaction?
A. CH4 + 2O2 CO2 + H2O B. HCl + NaOH H2O + NaCl
5 answers
asked by
jessie
3,789 views
A reaction A(aq)+B(aq)<-->C(aq) has a standard free-energy change of –3.35 kJ/mol at 25 °C. What are the concentrations of A,
5 answers
asked by
ACDub
3,766 views
Consider the reaction:
2N2O (g) 2N2 (g) + O2 (g) The values of Kc at different temperatures are: Temperature: 838, Kc= 1.10 x
4 answers
asked by
Bob
1,769 views
13. Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen
9 answers
asked by
Mitch n' Joey
6,812 views
2H2O2 --- 2H2O + O2 is this a redox reaction if so what is the oxidized reactant and reduced reactant
4 answers
asked by
Kelsey
8,886 views
Br2 + 5F2 --> 2BrF5
How many molecules Br2 react with 1.11 x 10^20 molecules F2? I got 2.21 x 10^47 but I feel that's too big and
7 answers
asked by
Ana
3,257 views
In the chemical reaction where 0.1 M of N2O4 (g) is converted to 2NO2 (g), what are the concentration values of NO2 (g) in the
7 answers
asked by
Anonymous
1,878 views
Use the data in the table to determine how long it will take for half of the original amount of SO2Cl2 to decompose at the
4 answers
asked by
Chloe
1,289 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
972 views
What effect does raising the temperature of the reaction chamber at a constant pressure have on the following reaction at
4 answers
asked by
erika
2,213 views
HF hydrolyzes according to the following equation: HF(aq)+H2O(l)<-> H3O+(aq)+F-(aq)
When 0.0300 mol of HF dissolves in 1.0 L of
5 answers
asked by
alison
2,417 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
6 answers
asked by
ashdawg
9,881 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
1,667 views
what is the net ionic equation for NaH + H2O= NaOH +H2
3 answers
asked by
Alonda
1,819 views
If 6.57 g of iron are reacted with an excess of hydrochloric acid, HCI, then hydrogen gas and14.63 g of iron (III) chloride are
4 answers
asked by
haley
1,929 views
type of chemical reaction synthesis, decomposition, double or single K+B2O3=K2O+B
4 answers
asked by
norma
2,316 views
Heat 1kg of CaCO3, get 560g of CaO.
Write the reactant equations and solve the mass of CO2 that born. The CaO is 100% pure.
4 answers
asked by
Melly
605 views
12.3g of iron(ii)tetraoxosulphate(vi)crystals when heated gave 6g of the anhydrous salts.if only its water of crystalisation is
3 answers
asked by
TEEMAH
770 views
Conditions under which sodium hydroxide react with chlorine to form sodium hypochlorite
4 answers
asked by
Anonymous
803 views
Starting with copper metal describe how a sample of crystals of copper (ii)chloride may be prepared in the lab
4 answers
asked by
Winnie
1,269 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
1,198 views
h2s + HNO3 -->s+ no+H2O balance by oxidation number change
4 answers
asked by
bb
1,641 views
How much water is required to dissolve 1.00 g of PbCl2?
3 answers
asked by
Gigi Fletcher
445 views
colorless vinegar added to purple cabbage juice turns pink What is the reason behind and why is it considered a chemical change?
3 answers
asked by
chemdummy
882 views
What happens when you mix Sodium Bicarbonate, Bromothymol blue, and Calcium Chloride?
What is Bromthymol blue used for in this
3 answers
asked by
Matthew
1,083 views
If 10mL of 1 M HCl is added to 1L of 0.01 M phosphate buffer, pH 7.2, what is the resulting pH?
Also what are the conc of
2 answers
asked by
Liam
1,104 views
sharon combines potassium (K) and water (H2O), producing potassium hydroxide (KOH) and hydrogen(H2), as shown in the chemical
1 answer
asked anonymously
81 views
In these conditions for any reversible reaction, which direction would be favored with each disturbance?
Forward (right) Reverse
1 answer
asked anonymously
55 views
Methane, CH4 burns in oxygen gas to form carbon dioxide and water. How many moles of carbon dioxide will be formed from 8.0g of
5 answers
asked by
Denmark
8,383 views
One molecule of bromine (Br2) and two molecules of potassium (KCl) chloride combine in a reaction. How many atoms are in the
11 answers
asked by
Tanya
8,380 views
The following reaction occurs spontaneously. 2H+(aq)+ca(s) Ca2+(aq)+H2(g)
write the balanced reduction half-reaction
5 answers
asked by
Steve
5,520 views
Consider the following balanced equation.
2 H2 + O2 ---> 2 H2O Which of the following statements is false? a) One molecule of O2
5 answers
asked by
Sarah
4,294 views
Sodium metal reacts violently with water to form NaOH and release hydrogen gas. Suppose that 3.00 g of Na reacts completely with
4 answers
asked by
Janet
2,787 views
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