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Chemical Reactions
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Questions (14,524)
How many grams of NH3 is there in 800 cm^3 at STP of NH3 gas?
3 answers
asked by
Shipra
1,218 views
4. Calculate the mass of zinc carbonate that would remain if 17.0g of zinc carbonate was
reacted with 50cm3 of 4M nitric acid.
3 answers
asked by
Freddy
670 views
In the titration of 50.0 mL of 1.0 M CH3NH2 (kb=4.4 x 10^-4), with 0.50 M HCl, calculate the pH
a) after 50.0 mL of 0.50 M has
7 answers
asked by
some kid
3,038 views
Equation For The Reaction Between Zinc Metal And Dilute Tetraoxosulphate (vi) Acid
6 answers
asked by
Favour
3,969 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
3,585 views
Complete and balance the reaction
Al(s) + Pb2+(aq) β using the smallest possible integers. What is the coefficient of Pb in the
4 answers
asked by
tyler
1,008 views
The reaction of 2.5 mol of O2 with 4.6 mol of C3H8 will produce ________ mol of H2O.
4 answers
asked by
Anonymous
15,868 views
Aluminum sulfate reacts with calcium hydroxide (from lime) to form aluminum hydroxide and calcium sulfate. Write the balanced
6 answers
asked by
Ana
13,675 views
The oxidation number of sulphur in CuSO4.5H2O is ......
12 answers
asked by
Anonymous
8,688 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
3,676 views
The action of heat on lead (ii) trioxonitrate (v).which type of chemical reaction is this.
5 answers
asked by
Anonymous
2,745 views
ia 3ag2S+2AL = 6 ag +al2s3 a double replacement or single replacement
5 answers
asked by
Patricia
3,319 views
why might you not observe a reaction even though an activity series indicates it should occur?
4 answers
asked by
mel <3
1,399 views
1. The rate of a chemical reaction may be defined as:
a) The speed at which a molecule travels from point A to point B. b) The
5 answers
asked by
Lucinda
1,728 views
how many grams of NaOH are needed to neutralize 50 grams of H2SO4?
23 answers
asked by
kumera
10,765 views
Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate
22 answers
asked by
ej
36,615 views
A volume of 10.0 mL of a 0.00650 M solution of Cl- ions are reacted with 0.500 M solution of AgNO3. What is the maximum mass of
5 answers
asked by
Toni Jones
2,725 views
Balance the following equation for a half reaction that occurs in basic solution. Use eβ as the symbol for an electron.
SO3^2-
9 answers
asked by
BOB
10,262 views
A 0.03 mol sample of NH4NO3(s) is placed in a 1 L evacuated flask, which is then sealed and heated. The NH4NO3(s) decomposes
5 answers
asked by
jerry
5,406 views
what is the oxidation number of Carbon in C6H12?
thank you!
4 answers
asked by
Jake
3,600 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
4,084 views
2n2o5(g)β4no2(g)+o2(g) when 40g of n2o5 decompose 4.5g of o2 is formed what is the percent yield
7 answers
asked by
Anonymous
2,012 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
1,222 views
Please! This is urgent!
I don't know how to do this. Determine the solubility at 25Β°C of Cd(IO3)2 in water and in 0.20 M CdCl2.
4 answers
asked by
Andrea
2,322 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
5,815 views
Which statement describes a chemical reaction at equilibrium?
A. The forward reaction happens slightly faster than the reverse
13 answers
asked by
emma
9,734 views
From XNH3+YO2=ZNO+QH2O. find the value of Z?
10 answers
asked by
Chelly
3,400 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
5,822 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
8,553 views
Calculate the pH that results when the following solutions are mixed
1. 35 mL of 0.20 M formic acid π»πΆπππ»,
5 answers
asked by
I need your help thanks
5,017 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
5,717 views
Identify each enthalpy change by name and classify each change as exothermic or endothermic.
a)1 mol C3H8 (l) ==> 1 mol C3H8 (g)
5 answers
asked by
Sal
3,799 views
In the chemical reaction where N2O4(g) is converted to 2NO2(g), if 0.5 M N2O4 and 0.15 M NO2 are present in the vessel, is the
5 answers
asked by
Christine
2,664 views
Which statement accurately describes what happens in a reaction when reactants become products?(1 point)
Some reactants rearrange
7 answers
asked by
Jadyn
1,685 views
What would you expect to see if you performed the chemical reaction shown below? 2H2O2 β> H2O(l) + O2(g)
- solid precipitate
5 answers
asked by
Bri
2,579 views
If sulphur (iv) oxide and methane are released simultaneously at the opposite end of a narrow tube the rate of diffusion Rso2
5 answers
asked by
Brad
1,889 views
Insoluble silver carbonate, Ag2CO3(s), forms in the following balanced chemical reaction:
2AgNO3(aq) + K2CO3(aq) = Ag2CO3(s) +
6 answers
asked by
Gale
3,232 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
2,560 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
207 views
KMnO4 + HCl β MnCl2 + Cl2 + H2O + KCl
If the reaction occurs in an acidic solution where water and H+ ions are added to the
4 answers
asked by
Summer
1,487 views
write the balanced equation for the ionization of the weak base pyridine, C5H5N, in water
8 answers
asked by
Kristin
35,397 views
if 3 mole of of calcium react with 3 mole of oxygen then what
substance is limiting reactant?
5 answers
asked by
Tsion
2,658 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
5,019 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
9,205 views
Where possible, classify these systems as reactant-favored or product-favored at 298 K. If the direction cannot be determined
5 answers
asked by
Sophie
10,385 views
Why do the rate of reaction for a reversible reaction slows down at equilibrium stage.
5 answers
asked by
Rose
1,897 views
Enter the balanced complete ionic equation for HCl(aq)+K2CO3(aq)βH2O(l)+CO2(g)+KCl(aq)
Would it be: 2H+(aq) + 2Cl^-(aq) +
4 answers
asked by
Brandon
6,308 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
2,546 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
4,640 views
Magnetite, an iron ore with formula Fe3O4, can be reduced by treatment with hydrogen to yield iron metal and water vapor.
(a)
6 answers
asked by
Marie
4,953 views
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