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Chemical Reactions
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Questions (14,806)
Balance the following chemical equation using the oxidation number method:
K2Cr2O7 + SnCl2 + HCl → CrCl3 + SnCl4 + H2O + KCl
3 answers
asked by
Vanessa
1,547 views
What is the oxidation number of sulfur (s) in NaHSO3?
I know that Na is 1 but I do not know what else to do. Please explain,
6 answers
asked by
Hannah
8,646 views
What is the purpose for a company to determine percent yield of a product and not just the theoretical yield?
The percent yield
5 answers
asked by
so....help_me
1,231 views
Please! This is urgent!
I don't know how to do this. Determine the solubility at 25°C of Cd(IO3)2 in water and in 0.20 M CdCl2.
4 answers
asked by
Andrea
2,334 views
iron (III) oxide is formed when iron combines with oxygen in the air. how many grams of Fe2O3 are formed when 16.7g of Fe reacts
5 answers
asked by
cambell
7,971 views
13.5ml of hydrogen iodide are produced by the reaction of 8.1ml of hydrogen and 9.3ml of iodine vapor at444°c. Calculate the Kc
4 answers
asked by
Ashley
1,961 views
2H2(g)+ O2(g) --> 2H2O(L)
I know the oxidizing agent is oxygen and the reducing agent is hydrogen. what are the number of
5 answers
asked by
tami
5,842 views
4. At high temperatures, nitrogen dioxide, NO2, decomposes into NO and O2. If y(t) is the concentration of NO2 (in moles per
4 answers
asked by
Sarah
2,726 views
when propane gas C3H8, is burned with oxygen, the products are carbon dioxide and water. Write an unbalanced formula equation
6 answers
asked by
kate
10,336 views
The equation for burning C2H2 is
2C2H2(g) + 5O2(g) ⎯→ 4CO2(g) + 2H2O(g) a. If 15.9 L C2H2 react at STP, how many moles of CO2
5 answers
asked by
rob
3,641 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
5,292 views
ia 3ag2S+2AL = 6 ag +al2s3 a double replacement or single replacement
5 answers
asked by
Patricia
3,338 views
iron metal & oxygen combine to form magnetic oxide of iron, Fe3O4. How many mols of iron can be converted to magnetic by 8.80
5 answers
asked by
Cassie
4,663 views
the question reads:
a) balance the equation: H3PO4 + Ca(OH)2 --> Ca3(PO4)2 + H2O b)what mass of each product results if 750 mL of
5 answers
asked by
Anonymous
4,474 views
50cm'3 of sulphur (iv) oxide were produced at s.t.p when some quantity of powdered sulphur were burnt in excess oxygen.state the
6 answers
asked by
Anonymous
1,985 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
7,771 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
1,898 views
The rate data from a chemical reaction shows that doubling the concentration of A with the concentration of B remaining constant
4 answers
asked by
Anonymous
805 views
Anyone able to balance/do the equation:
C8H7O2COOH + NaOH -> I can't figure out the products. C8H7O2COOH + NaOH =>C8H7O2COONa +
5 answers
asked by
Ariel
1,277 views
Given the balanced equation representing a reaction : 2Fe+ 3Cu^2+ --> 2Fe^3+ +3Cu
When the iron atoms lose six moles of
6 answers
asked by
Anonymous
4,728 views
in which chemical reaction is the number of atoms in the reactants the same as the number of atoms in the products?
a.
41 answers
asked by
stranger
22,401 views
During an experiment 1.5g of magnesium reacts with excess dilute hydrochloric acid to produce hydrogen gas at STP. Calculate the
5 answers
asked by
Bonia
209 views
The company you work for plans to release a waste stream containing 7 mg/L
of benzaldehyde . Assuming that benzaldehyde degrades
4 answers
asked by
Jazmin
2,373 views
Zinc + hydrochloric acid yields zinc chloride and hydrogen gas. (Zinc has a +2 charge).
Label what type of reaction (synthesis,
4 answers
asked by
Someone
218 views
When copper(II) nitrate reacts with sodium hydroxide, copper (II) hydroxide is produced. How many grams of Cu(OH)2 can be
5 answers
asked by
Ethan
2,712 views
Matter Interactions Unit Test
7 of 13 Items Item 7 Use the table to answer the question. Observation # Before Reaction
7 answers
asked by
8th grade Connexus student
3,617 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
10,863 views
is apple to apple juice reversible or irreversible?
4 answers
asked by
eggo
360 views
Determine the mass of lead chloride precipitated when 5g of sodium chloride solution reacts with lead trioxonitrate v.
7 answers
asked by
Ayo
1,996 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
936 views
how many grams of NaOH are needed to neutralize 50 grams of H2SO4?
23 answers
asked by
kumera
10,804 views
The oxidation number of sulphur in CuSO4.5H2O is ......
12 answers
asked by
Anonymous
8,723 views
What is the only positive ion found in H2SO4(aq)?
a. ammonium ion b. hydronium ion c. hydroxide ion d. sulfate ion The answer's
5 answers
asked by
danny123
8,991 views
Consider the combustion of propane:
C3H8(g)+5O2(g) yields 3CO2(g) + 4H2O(l) delta H= -2221 kJ Assume that all of the heat comes
5 answers
asked by
Shellby
8,588 views
Calculate the pH that results when the following solutions are mixed
1. 35 mL of 0.20 M formic acid 𝐻𝐶𝑂𝑂𝐻,
5 answers
asked by
I need your help thanks
5,031 views
Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas.
Is Al2(CO3)3 ==> Al2O3 + CO2 the right
5 answers
asked by
Jack
10,891 views
A sample of a mixture containing only sodium chloride (NaCl) and potassium chloride (KCl) has a total mass of 4.000g. When this
3 answers
asked by
Steve
2,620 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
827 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
2,429 views
For a system where:
NH2OH + CH3NH3+ --> CH3NH2 + NH3OH+ 95% 95% 5% 5% State of equilibrium in the system is described by the
4 answers
asked by
Meenaakshi
3,263 views
The volume of CO2 produced by the combustion of 20g of graphite containing 10% impurity will be?
3 answers
asked by
Ris
1,551 views
calculate the percent yield of Cl2 in the electrolytic decomposition of hydrogen chloride if 25 g of HCl produces 13.6 of
5 answers
asked by
Anonymous
5,867 views
A student is exploring the reaction seen here:
The student states that adding carbon dioxide or another acid to the system will
1 answer
asked anonymously
75 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
8,409 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
5,216 views
2n2o5(g)→4no2(g)+o2(g) when 40g of n2o5 decompose 4.5g of o2 is formed what is the percent yield
7 answers
asked by
Anonymous
2,021 views
Determine [H30+], [OH-], and pH.
A solution that is 0.655% HNO3 by mass (assume a density of 1.01 g/ mL for the solution).
4 answers
asked by
Nevaeh
5,913 views
To 0.350L of 0.150M NH3 is added 0.150L of 0.100M MgCl2. How many grams of (NH4)2So4 should be present to prevent precipitation
7 answers
asked by
Angel
2,330 views
There are many oxides of silver with the formula AgxOy. All of them decompose into their elements when heated strongly.
After
2 answers
asked by
w
145 views
Can you please tell me if these are correct?
1. Sodium Hydrogen Sulfite reacts with hydrochloric acid to produce sulfur dioxide
7 answers
asked by
Anonymous
5,984 views
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