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Chemical Reactions
Page 4
Questions (14,658)
What is the Oxidation number of the underlined element in Al2(CO3)3
4 answers
asked by
jeff
1,008 views
I answered as many as I could but can someone double check my answers and help me with the rest?
1. Example Bond Energies of
4 answers
asked by
Tommy Tucker
808 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
2,217 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
9,885 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 is the net ionic equation for NaH + H2O= NaOH +H2
3 answers
asked by
Alonda
1,823 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
1,932 views
type of chemical reaction synthesis, decomposition, double or single K+B2O3=K2O+B
4 answers
asked by
norma
2,323 views
what is the color changes if FeCl3 added with pure aspirin?
4 answers
asked by
ida
3,922 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
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
609 views
Conditions under which sodium hydroxide react with chlorine to form sodium hypochlorite
4 answers
asked by
Anonymous
808 views
The reaction between 34.0 g of NH3 and excess oxygen gas produces 45.9 g of NO gas and some water. Determine the percent yield.
4 answers
asked by
bri
2,524 views
in the reaction:Ni+SN4+-->Ni2+ (+)Sn2+ which species has been reduced?
1.Ni 2.Sn4+ 3.Ni2+ 4.Sn2+ i know its def Sn but im not
3 answers
asked by
Alexis
1,693 views
Fe2O3 + 2Al --> 2Fe + Al2O3
How many grams of Fe will form when 97.6g Al2O3 form? Please & Thank you
3 answers
asked by
Ana
2,565 views
2KCLO3+heat makes 2KCL+3O2 is it endothermic or exothermic
4 answers
asked by
Dueshyant
2,762 views
Silver oxide is used in small batteries called button batteries (Figure below). It decomposes upon heating to form silver metal
3 answers
asked by
Makayla Brad
945 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
888 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
1,087 views
What is the mass of NaOH required to prepare 100.0mL of NaOH(aq) that
has a pH = 13.62 ? A. 0.38g B. 0.42g C. 1.67g D.
4 answers
asked by
sh
2,107 views
balancing redox reactions occured in the basic solution : Cl2 + SO2(g) --> Cl^- (aq) + SO4^-2(aq)
2 answers
asked by
nico
833 views
The rate of a reaction is the speed in which reactants are converted into products. Which scenarios below would increase the
1 answer
asked anonymously
44 views
MnS(s) + 2 H+ --> Mn2+ + H2S(g)
At 25 C the solubility product constant, Ksp, for MnS is 5 x 10-15 and the acid dissociation
5 answers
asked by
AL
5,197 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
8,393 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
2,792 views
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
4,986 views
Hydrogen (H2) and oxygen (O2) combine to make water (H2O) in the following equation.
6H2 + 3O2 → ?H2O How many water molecules
6 answers
asked by
Shottaflow3k
1,987 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
3,648 views
Conservation of mass apply
Use the chemical equation to answer the question. 2Na + Cl2 → ?NaCl In the reaction, sodium and
25 answers
asked by
Shottaflow3k
2,032 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
1,158 views
Translate into a sentence: 2NaHCO3 --> Na2CO3+H2O+CO2
4 answers
asked by
Miroslava
2,860 views
2Zn+O2=2ZnO. What type of chemical reaction is it
6 answers
asked by
Himanshu
5,780 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
4,620 views
write the balanced equation for the ionization of the weak base pyridine, C5H5N, in water
8 answers
asked by
Kristin
35,403 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
19,340 views
How many liters of sulphur trioxide are formed when 4800cm3 of sulphur dioxide is burned in air?
10 answers
asked by
Abel kinde
4,398 views
The solubility product constant, Ksp, for nickel (II) carbonate, NiCO3, is 1.3 x 10-7 at 25C.
a. Write the balanced chemical
5 answers
asked by
...
3,402 views
Bones are mostly calcium phosphate. Calcium chloride reacts with potassium phosphate to form calcium phosphate and potassium
4 answers
asked by
mandi
6,351 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
7,372 views
If the reaction
2H2O2 →2H2O+O2 has a 45% yield, what is the molarity of the H2O2 solution if 2.5 L of this solution pro- duces
4 answers
asked by
Andrea
2,554 views
Describe how you would obtain pure crystals of Sodium chloride from a muxture of solid sodium chloride and solid zinc carbonate
S
5 answers
asked by
Ali
5,457 views
The reaction between sodium hydroxide and hydrobromic acid is represented in the equation below:
OH- + H+ -> H2O A 62.5 mL sample
4 answers
asked by
lola
5,721 views
Calculate the percentage in ethanedioic acid crystals, (COOH)2.2H2O
7 answers
asked by
Jojo
1,745 views
which of the following could dissolve a precipitate of CaC2O4 in a saturated solution of CaC2O4?
A.NaOH B.CaC2O4 C.H2C2O4
5 answers
asked by
saphire
3,170 views
What is the net ionic equation for the neutralization of CHOOH with NaOH?
4 answers
asked by
Jessica
3,422 views
If 8.00 moles of NH3 reacted with 14.0 moles of O2, how many moles of H2O will be produced?
4NH3 (g) + 7O2 (g) --> 4NO2 + 6H2O
4 answers
asked by
Argh
8,892 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
6,662 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
2,120 views
need help to balance half reaction in basic solution
IO3 to I2
4 answers
asked by
Shana
10,742 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
7,340 views
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