Questions LLC
Login
or
Sign Up
Ask a New Question
Chemical Reactions
Page 4
Questions (14,806)
A mixture of CuSO4 and CuSO4·5 H2O has a mass of 1.235 g. After heating to drive off all the water, the mass is only 0.830 g.
4 answers
asked by
Noelle
5,118 views
Balance the following equation for a half reaction that occurs in basic solution. Use e– as the symbol for an electron.
SO3^2-
9 answers
asked by
BOB
10,281 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
5,420 views
in an experiment, ammonia gas, NH3(g) was bubbled through distilled water. Some of the dissolved ammonia gas, NH3, reacted with
4 answers
asked by
Joe
4,246 views
What is the balanced equation for the reaction between dilute tetraoxosulphate (vi) acid and sodium hydroxide solution
4 answers
asked by
Gift
1,475 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
2,554 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
4,151 views
Calculate the mass of each product formed when 43.82g of diborane (B2H6) reacts with excess water:
B2H6(g) + H2O(l)--> H3BO3(s) +
6 answers
asked by
TeeJay
4,333 views
15.0g of potassium trioxochlorate (v) was crushed and heated with 0.1g of manganese (iv)oxide in it. Write an equation for the
5 answers
asked by
Rose
2,710 views
In the titration of 20.00 mL of 0.175 M NaOH, calculate the number of milliliters of 0.200 M HCl that must be added to reach a
4 answers
asked by
Helga
2,471 views
2H2O2 --- 2H2O + O2 is this a redox reaction if so what is the oxidized reactant and reduced reactant
4 answers
asked by
Kelsey
8,898 views
When 1.10 mol of NaOH is added to 1.00 L of 0.30 M HCl the pH of the resulting mixture is:
a) 0.52 b) 0.70 c) 1.00 d) 13.30
5 answers
asked by
Julia
972 views
Calculate the mass of calcium chloride to make 0.2M calcium chloride solution
4 answers
asked by
lastkingwamadiwa
484 views
What volume of steam is produced when 10g of propyne is burnt in excess oxygen at STP
4 answers
asked by
Divine
711 views
A 25ml solution of 0.5M NaOH is titrated until neutralized into a 50ml sample of HNO3. What was the concentration of the HNO3?
7 answers
asked by
Rodney Peter
834 views
Iron reacts with chlorine to form iron(iii)chloride.
A)How many chlorines react with 1.86g of iron? B)What mass of
5 answers
asked by
Ava
3,331 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
6,430 views
How do you calculate the moles of triiodide that is consumed by a thiosulfate titrant in a Vitamin C titration?
IO3– + 8 I– +
4 answers
asked by
Elise
1,499 views
20cm^3 of sodium carbonate solution was reacted completely with 25cm^3 of 0.8 M HCL according to the equation.
4 answers
asked by
lucy
784 views
the rate of formation of NH3 is .15 mol/Lmin. What is the rate of this reaction?
N_2_ + 3H_2_ ---> NH3 the answer should be .075
4 answers
asked by
Audrey
2,077 views
Just wanted to make sure I did this right.
Use the equation to answer the question. FeCl3 +3NH4OH—-> Fe(OH) 3 +3NH4Cl Which
4 answers
asked by
:)
474 views
Calculate the concentration of [H+] and [OH-] in 0.002 mol/L of HNO3 solution.
4 answers
asked by
Jealson
917 views
A sample of water decomposes to make 4g of hydrogen gas and 32g of oxygen gas. What mass of water decomposed? How do you know?
Hi
4 answers
asked by
AJ
1,805 views
A BALANCED CHEMICAL EQUATION BTW IRON (Fe3+) and NaOH.
4 answers
asked by
Saddik
6,673 views
When heated, elemental phosphorus, P4, produces phosphine, PH3, and phosphoric acid, H3PO4. How many grams of phosphine are
4 answers
asked by
ms
1,999 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
4,105 views
3.13 g of sodium (Na) react with 7.17 g of chlorine (Cl2) to produce 10.3 g of sodium chloride (NaCl).
What is the mass percent
4 answers
asked by
Auzy
1,612 views
1. A combination reaction may also be a displacement reaction.
True or False 2. The combustion of an element is always a
4 answers
asked by
Jess
2,907 views
H2S + 2NaOH -> Na2S + 2H2O
2.48g of sodium hydroxide is dissolved in water and 1.30g of hydrogen sulfide bubbled through the
4 answers
asked by
Anon
768 views
write the equation for the reaction of fecl2 with k3[fe(cn)6]???
4 answers
asked by
david
1,968 views
What is the gas given off when zinc reacts with dilute tetraoxosulphate vi acid
4 answers
asked by
Lawrence
165 views
In the reaction ZnO+2HCl=ZnCl2+H2O what is oxidized and what is reduced?
4 answers
asked by
amie
2,003 views
2NH3 <--> NH4+ + NH2-
In liquid ammonia the reaction represented above occurs. In the reaction, what does the NH4+ act as? A
5 answers
asked by
Trevor
4,742 views
5.0 moles of nitrogen gas is reacted with 2.5 moles of oxygen gas in an 10. L container. At equilibrium, 1.5 moles of nitrogen
3 answers
asked by
ppls of americana
811 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
2,532 views
h2s + HNO3 -->s+ no+H2O balance by oxidation number change
4 answers
asked by
bb
1,658 views
KI+H2SO4+KIO3
Write the balanced net ionic equation.
3 answers
asked by
Greg
726 views
What is the reaction & calculation when KIO3 mixed with KI, HCl by titration with Na2S2O3?
3 answers
asked by
Selim
1,346 views
what is the color of copper when it burns in oxygen
3 answers
asked anonymously
87 views
A 0.170-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium?
3 answers
asked by
Mandy
3,697 views
2 NO2(g) N2(g) + 2 O2(g)
The ¥ÄH¡Æ for the reaction above is -66.4 kJ. The system is initially at equilibrium. What happens
3 answers
asked by
JCY
1,148 views
Sulfuric acid can dissolve aluminum metal according to the following reaction.
2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose
2 answers
asked by
Liselle
939 views
CH3OH + MnO4- ----> Mn2+ + CH2O
Earlier I posted this question and then realized that CH3OH didn't have a charge. It changed my
4 answers
asked by
Alex
2,838 views
A certain headache relief tablet is composed of monoprotic acetylsalicylic acid(C9H8O4(s)) and an inert filler. A 4.00 g tablet
3 answers
asked by
Maya
1,097 views
Consider the following unbalanced reaction.
P4(s) + F2(g) PF3(g) What mass of F2 is needed to produce 212 g of PF3 if the
2 answers
asked by
Cole
979 views
H3PO4 + 3KOH = K3PO4 + 3 H2O What would be the percent yield if you reacted 49.0g of H3PO4 with 112g of potassium hydroxide, and
1 answer
asked by
andi
907 views
What mass of aluminum can be produced when 10.0g of aluminum chloride decomposes?
2 answers
asked by
Anonymous
528 views
According to collision theory, which of these is not required for particles to react?
the particles must react with sufficient
1 answer
asked anonymously
78 views
Two different types of elements are combined so that they look like one substance, but they are not bonded together. What could
1 answer
asked by
Anoumous
61 views
Acidic water is known to, react with the substances in limestone, breaking it down. What is this process called? (1 point)
1 answer
asked anonymously
53 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (72)
Acids and Bases
Atomic Structure
Atomic Structure and Bonding
Atoms and Molecules
Balancing Equations
Biochemistry
Biology
Biology or Chemistry
Bonding
Calculations
Cellular Processes
Chemical Formulas
Chemistry
Chemistry Basics
Chemistry Education
Chemistry Equations
Chemistry or Physical Science
Chemistry or Science
Chemistry Overview
Chemistry, Sub-sub-category: Chemical Reactions
Cleaning products
Compound Formulas
Compounds
Conservation of Mass
Conservation of Matter
Elements
elements and compounds
Energy
Equations
Equilibrium
Equilibrium Chemistry
Experiments
Fundamental concepts
Gases
General Chemistry
Geology
Healthcare
Healthcare Applications
Inorganic Chemistry
Ionic Equations
Laboratory experiments
Laboratory Procedure
Laboratory Procedures
Labs
Lewis Acids and Bases
Molecular Biology
Molecular Structure
Organic Chemistry
Periodic table
Photosynthesis
Physical Chemistry
Physical Science
Physics
Physics and Chemistry
Reaction Predictions
Reaction systems
Reactions
Reactions and Solutions
Science
Science (or Chemistry)
Science (or maybe Chemistry)
Science and Chemistry
Science and Engineering
Science and Nature
Science Education
Science/Chemistry
Science/Education/Chemistry
Solutions
Solutions and Mixtures
Stoichiometry
Thermodynamics
Valence electrons