Questions LLC
Login
or
Sign Up
Ask a New Question
Chemical Reactions
Page 7
Questions (14,524)
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
32 views
1.A student is asked to measure the time taken for 4.00g of magnesium carbonate to react completely with 25.0 cm3 of dilute
5 answers
asked by
Ochaya
1,854 views
Why does effervescence when the Group 2 anion precipitate is acidified imply the presence of (CO3)2- ?
4 answers
asked by
Dave
2,853 views
CH3CH2NH2(aq) + H2O(l) <-> CH3CH2NH3+(aq) + OH-(aq)
Kb = 5.0e-4 Ethylamine, CH3CH2NH, a weak base reacts with water according to
4 answers
asked by
Jess
9,732 views
Write formula equations and net ionic equations for the hydrolysis of sodium carbonate in water.
Responses Chemistry - DrBob222,
7 answers
asked by
anonymous
8,989 views
H3AsO4 reacts with water as follows:
H3aso4+h20<=>h2aso4- + h30+ The conjugate base of h3aso4 in this reaction is
4 answers
asked by
Anonymous
2,796 views
Suppose 20 atoms of hydrogen (H) react with chlorine (Cl) to produce 20 molecules of hydrochloric acid (HCl). According to the
5 answers
asked by
aren
1,625 views
36 g of HCl and 40 g of NaOH combine to form 58 g of NaCl. What is the amount of water produced in this process?
5 answers
asked by
Hii
1,249 views
A gas-forming reaction produces 1.35 m3 of gas against a constant pressure of 143.0 kPa. Calculate the work done by the gas in
4 answers
asked by
christie
6,121 views
can anyone help with Unit 5 Sample Work Assignment Chemical Reaction Systems pls (:
5 answers
asked by
david
857 views
Write a Balanced equation for the chemcial reaction Acetylene gas (C2H2) burns in a welding torch with oxygen to form carbon
4 answers
asked by
Chris
5,563 views
Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction:
2H2O2(l) → 2H2O(l) + O2(g) ΔH
4 answers
asked by
Karla
5,309 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
2,314 views
Scientists in 1962 became very excited when they were able to create xenon tetrafluoride. Why was this an unusual feat? Why was
4 answers
asked by
Caitlyn
2,572 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
128 views
If you measure the mass of all the reactants and compare it to the mass of all the products for a chemical reaction, what would
2 answers
asked anonymously
102 views
A tanker truck carrying 2.01×10^3kg of concentrated sulfuric acid solution tips over and spills its load. The sulfuic acid is
7 answers
asked by
Rachel
5,745 views
the balanced equation for the reduction of iron ore to the metal using CO is Fe2O3+3CO(g) -> 2Fe+3CO so what is the maximum of
5 answers
asked by
cheryl
2,384 views
Ammonium carbonate (solid) decomposes when heated to produce three gaseous products - ammonia, water, and carbon dioxide.
1.
3 answers
asked by
jake
1,171 views
Use the reaction to answer the question.
3MnO₄ ²⁻ + 4H⁺ ⇄ 2MnO₄⁻ + 2H₂O + MnO₂(s) How would adding MnO₄²⁻
4 answers
asked by
Someone
263 views
Write the net ionic equation for the reaction of calcium nitrate and sodium phosphate
9 answers
asked by
Alex
14,317 views
Aqueous sodium bicarbonate was used to wash the crude n-butyl bromide. What was the purpose of this wash? Give equations. Why
4 answers
asked by
priyanka
2,842 views
Consider the reaction.
PbCO3(s)<--> PbO(s) + CO2(g). calculate the equilibrium pressure of CO2 in the system at the following
7 answers
asked by
DAN
5,793 views
Write reactions showing how each of the following buffers would neutralize added HCl.
HF and NaF Express your answer as a
4 answers
asked by
Bob
1,903 views
Explain why Na2CO3 against HCL titration using phenolphthalein indicator does not go to completion but stops at the NaHCO3
4 answers
asked by
vincent
2,161 views
Which statement is true regarding a chemical reaction?(1 point)
A. Even if the total number of atoms changes, mass may not be
34 answers
asked by
:)
13,427 views
2Cu+S→Cu2S
Copper (Cu) reacts with sulfur (S) to form copper sulfide as shown in the equation. A scientist adds 12.7 grams of
6 answers
asked by
President Joe Biden
1,614 views
How many gram of sodium fluoride should be added to 100000 liter of drinking water containing 0.6 ppm of sodium fluoride to
5 answers
asked by
Jessica
8,529 views
2Zn+O2=2ZnO. What type of chemical reaction is it
6 answers
asked by
Himanshu
5,775 views
Na2So4+Hg(NO3)2
balance equation and find the spectator ion
5 answers
asked by
Sahil
4,479 views
Tungsten(VI) oxide can be reduced to tungsten by heating it with carbo, as shown in the reaction:
2WO3(s) + 3C(s) <---> 2W(s) +
4 answers
asked by
Landon
1,337 views
Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O) to form 10 molecules of carbon dioxide (CO2) according to the
4 answers
asked by
Anonymous
973 views
Chromate ions react according to the following equation, where the left side of the reaction is yellow and the right side is
3 answers
asked by
Brooklynn
548 views
Hydrogen peroxide can be prepared in several ways. One method is the reaction between hydrogen and oxygen, another method is the
5 answers
asked by
Dan
6,476 views
When 0.500 g of an unknown compound was dissolved in 15.0 g benzene, the freezing point depression was determined to be 0320C.
2 answers
asked by
Jessica
607 views
Marble (calcium carbonate) reacts with hydrochloric acid solution to form calcium
chloride solution, water and carbon dioxide.
4 answers
asked by
john
858 views
I have a question that I don't understand from my first year chem lab.
Calculate the minimum volume of water needed to decompose
4 answers
asked by
Joshua
876 views
Consider the following reaction: 2 Mg + O2 → 2 MgO ΔH rxn = -1203 kJ
Calculate the amount of heat (in kJ) associated with
5 answers
asked by
Chemistry
6,448 views
Pentane (C5H12) burns in oxygen to produce carbon dioxide and water.
C5H12(g)+8O2(g)→5CO2(g)+6H2O(g) Calculate the mass of CO2
6 answers
asked by
Alex
5,969 views
For the titration of 50.00 mL of 0.106 M NH3 with 0.225 M HCl, calculate
(A) the initial pH and when the pH neutralization is (B)
4 answers
asked by
Rosi
1,474 views
How many grams of calcium hydroxide will be needed to react completely with 10.0 g of phosphorus acid?
4 answers
asked by
Julia
1,162 views
Calculate the theoretical amounts of 0.1000 M NaOH titrant used to titrate 0.8 and 0.9 g KHP
Please show step by step solution ,
4 answers
asked by
Jessy
1,401 views
Sucrose, C12H22O11, is burned to produce carbon dioxide and water.
What is the balanced formula and reaction type?
4 answers
asked by
Jacob
3,038 views
what combinations of Zn, Al, ZnSO4 and Al2(SO4)3 would you make to illustrate that Zn is less active than Al?
4 answers
asked by
shannon
2,915 views
You place 1.234 g of solid Ca(OH)2 in 1.00 L of pure water at 25°C and it partially dissolves. The pH of the solution is 12.40.
4 answers
asked by
Kelly
1,109 views
aluminum sulfate and sodium phosphate Express your answer as chemical equation.
4 answers
asked by
Sarah
4,961 views
What mass of hydrochloric acid (in grams) can be neutralized by 2.3g of sodium bicarbonate? (: Begin by writing a balanced
4 answers
asked by
stephen
7,833 views
When 20.0 g C2H6 and 60.0 g O2 react to form CO2 and H2O, how many grams of water are formed?
9 answers
asked by
pls help
10,454 views
2CH3OH(g)→2CH4(g)+O2(g)ΔH=+252.8kJ
For a given sample of CH3OH, the enthalpy change during the reaction is 82.2kJ . How many
5 answers
asked by
ihatechem
11,414 views
what is the net ionic equation for manganese sulfide and hydrobromic acid?
5 answers
asked by
sandra
5,896 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