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Chemical Reactions
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Questions (14,762)
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
5,276 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
4,654 views
A sample of gaseous PCl5 was introduced into an evacuated flask so that the pressure of pure PCl5 would be 0.54 atm at 425 K.
4 answers
asked by
Margaret
4,095 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
5,860 views
Imagine a graph. The x-axis is labeled "Time" and is measured in seconds, and the y-axis is labeled "Potential Energy" and is
1 answer
asked anonymously
103 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
2,327 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
5,970 views
Equation For The Reaction Between Zinc Metal And Dilute Tetraoxosulphate (vi) Acid
6 answers
asked by
Favour
3,984 views
You burn 6 grams of carbon in plenty of air:
C ( s) + O2 ( g) = CO2 ( g) a What volume of gas will form (at rtp)? b What volume
10 answers
asked by
Maya
5,824 views
In the reaction 2H2S + 3O2 -> 2SO2 +2H2O, the oxidizing agent is
1.oxygen 2.water 3.sulfur dioxide 4.hydrogen sulfide oxygen?
7 answers
asked by
Alexis
9,222 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
3,633 views
What would you expect to see if you performed the chemical reaction shown below? 2H2O2 —> H2O(l) + O2(g)
- solid precipitate
5 answers
asked by
Bri
2,592 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
1,890 views
does anyone have the answers for Calculating mass quick check?
1. Which option correctly describes the reactants and products of
10 answers
asked by
Anonymous
6,426 views
Using this redox equation:
Mn(OH)2(s) + MnO4-(aq) → MnO42-(aq) When the equation is balanced with smallest whole number
7 answers
asked by
Addam
5,816 views
How many liters of gasesous methane (CH4) must be burned in oxygen to produce enough H2O and CO2 to fill a 3.0 L balloon?
Assume
4 answers
asked by
Amy~
1,076 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
8,398 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
1,227 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
2,366 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
212 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
7,949 views
Which of the following does NOT happen when vinegar and baking soda react?
true or False?
6 answers
asked by
Marcus
1,746 views
Write half equation s for the following reaction.
Cu(s)+2AgNO3(aq) produces Cu(NO3)2(aq)+2Ag.
5 answers
asked by
Joy
3,667 views
Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate
22 answers
asked by
ej
36,633 views
In a chemical reaction, substance A combines with substance B to form subtance Y. At the start of the reaction, the quantity of
6 answers
asked by
Katrina
5,025 views
The overall balanced equation for the production of ethanol from glucose is as follow
C6H12O6 = 2C2H5OH + 2CO2 a) what is the
4 answers
asked by
Usman Bilal
3,696 views
BrO3- + 5Br- + 6H+ <--> 3Br2 + 3H2O
If 25.0 ml of 0.200-molar BrO3- is mixed with 30.0 ml of 0.45-molar Br- solution that
5 answers
asked by
Andrew
4,889 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
5,023 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
2,717 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
10,331 views
what volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed at constant temperature and pressure.
7 answers
asked by
ch
2,552 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
1,783 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
1,981 views
Br2(aq) + 2 KI(aq) ==> 2 KBr(aq) + I2(s)
What is oxidized and what is reduced in this reaction?
5 answers
asked by
Ben
4,408 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
7,759 views
The hydroxide of metal y reacts with hydrochloric acid as follow
Y(OH)2+2HCL product YCl2+2H20 It was found that 5.8g of Y(0H)2
6 answers
asked by
Prisca
706 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
802 views
Balance the following chemical equation using the oxidation number method:
K2Cr2O7 + SnCl2 + HCl → CrCl3 + SnCl4 + H2O + KCl
3 answers
asked by
Vanessa
1,531 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
22,387 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
203 views
Write the expression of for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form
4 answers
asked by
Angie
5,384 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
3,602 views
Homw many grams of copper sulfate pentahydrate (CuSo4 5H2O) would you heat to produce 29.8 g of water?
4 answers
asked by
Anne
1,698 views
is apple to apple juice reversible or irreversible?
4 answers
asked by
eggo
353 views
Determine the mass of lead chloride precipitated when 5g of sodium chloride solution reacts with lead trioxonitrate v.
7 answers
asked by
Ayo
1,988 views
how many grams of NaOH are needed to neutralize 50 grams of H2SO4?
23 answers
asked by
kumera
10,782 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
5,833 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
8,573 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
10,883 views
Aluminum bromide and sodium hydroxide react to form aluminum hydroxide and sodium bromide.
a.)How many moles of sodium bromide
5 answers
asked by
Kelsi
4,580 views
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