Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Page 42
Questions (96,469)
Carbon dioxide (CO2) reacts with water (H2O) to form carbonic acid (H2CO3).
Which equation demonstrates the law of conservation
4 answers
asked by
bella
3,077 views
What is the solubility product of CaF2 if 0.1 M Ca2+ and 0.02 M F- are in solution just before precipitation occurs?
4.0 × 10^-5
4 answers
asked by
Esmerelda
1,908 views
What volume of oxygen at NTP is required to oxydize 100gram of glucose ?
4 answers
asked by
Shishir
1,565 views
How many grams of NaHCO3 should be added to one liter of 0.100 M H2CO3 (Ka = 4.2 x 10-7) to prepare a buffer with pH = 7.00?
I
4 answers
asked by
KO
2,778 views
A 25.0-g sample of sodium hydroxide is dissolved in 400.mL of water. What is the concentration of the solution?
4 answers
asked by
Mayra
1,532 views
How many moles of O2 contained in 5.25L of a gas at 26 degrees C and 1.2 atm?
5 answers
asked by
grissy
2,258 views
T (K) [N2] [H2] [NH3] [Kc]
575 0.110M − 0.134M 9.6 Find [H2] at 575 K.
4 answers
asked by
jessicaCC
1,257 views
use the Henderson-Hasselbalch equation to calculate the pH of a buffer solution prepared by mixing equal volumes of 0.20 M
4 answers
asked by
abc
5,038 views
The rate of effusion of unknown gas X is found to be about 1.5 times that of SF6 gas (MW=146 g/mol) at the same conditions of
4 answers
asked by
Gabriella
1,437 views
The elements lithium and oxygen react explosively to from lithium oxide (Li2O). How much lithium oxide will form if 3.03 mol of
4 answers
asked by
Kyle
7,178 views
Radioactive substance decays so that after t years, the amount remaining, expressed as a percent of the original amount, is
4 answers
asked by
jessica
2,357 views
The density of a liquid whose boiling point is 63-65 oC was determined to be 0.74 ± 0.05 g/ml. What is
the liquid?
6 answers
asked by
ki
1,859 views
If 10.6 mol of carbon monoxide is produced how many grams of carbon were used?
How do you convert moles to grams? And what are
3 answers
asked by
Helen
1,024 views
When 2 mol of solid magnesium (Mg) combines with 1 mole of oxygen gas (O2), 2 mol of solid magnesium oxide (MgO) is formed and
4 answers
asked by
Kim
4,443 views
which of these salts is least soluble in water?
1. LiCl 2. RbCl 3. FeCl2 4. PbCl2
6 answers
asked by
alex
2,998 views
The reaction of chlorine (Cl2) with 1,4-dimethylcyclohexane (show three possible monochlorination products) *what?!*
4 answers
asked by
Cerise
1,878 views
What is the molarity of a solution with 3.5mol of CaCl2 in 1.89L of solution
What is the molarity of a solution with 16g of CH3OH
4 answers
asked by
Ali
1,891 views
Anyone have answers to the Mass and Atoms Quick Check?
9 answers
asked by
Benjamin
1,854 views
Complete the Hess’ cycle using the values given in the table and hence calculate the enthalpy
change, ∆Hr , for this
4 answers
asked by
hiba
535 views
Using a current of 4.0A, how many hours would it take to deposit a silver using coating of 0.2mm thick on a metal with a surface
4 answers
asked by
Wesley
370 views
At a particular temperature, K = 1.00 ✕ 102 for the following reaction.
H2(g) + I2(g) equilibrium reaction arrow 2 HI(g) In an
4 answers
asked by
Jake
1,236 views
Potassium phosphide and sulfur are formed when potassium sulfide and phosphorus react.
K_2S+P -> K_3P+S (after balancing) =
4 answers
asked by
Anon
2,731 views
A mixture consists of 3.2 grams of CH4 gas and 1.2 grams of H2 in a steel container. The pressure inside the container is 6.0
4 answers
asked by
Summer
1,815 views
A 1.00x10-6g sample of nobelium- 254, has a half-life of 55 seconds after it is formed. What is the percentage of nobelium-254
5 answers
asked by
Michele
2,230 views
What mass of glucose (C6H12O6) must dissolve in 400.0 g of ethanol to make a 1.60 m solution?
4 answers
asked by
ELissa
977 views
4.80 dm^3 of chlorine gas was reacted with NaOH solution.
a) how many moles of Cl2 reacted b) what mass of NaOCl was formed? c)
4 answers
asked by
Gary
1,829 views
Question
Given the equation: 4 Fe(s) + 3 O2(g) ? 2 Fe2O3(s), what is the theoretical yield of Fe2O3 from the reaction of 4.86 g
4 answers
asked by
Kami
1,618 views
Part 1:
Find the % by mass of each element in camphor (C10H20O). Step 1: Find the atomic mass of each element in the molecule.
4 answers
asked by
Chelsea
1,300 views
a solution is prepared with 3.26g kcl and water to make 25.0ml,of kcl,what is the %(m/V) of the kcl solution.
5 answers
asked by
michelle
4,144 views
A certain sample of gas has a volume of 500 ml. at a pressure of 1.5 atmosphere.What will be its volume if the gas is submerged
4 answers
asked by
cherryl
842 views
Calculate for the electrochemical cell below,
Ag(s) | AgCl(s) | Cl–(aq) || Cu2+(aq) | Cu(s) given the following standard
4 answers
asked by
Anonymous
2,882 views
ph of a 0.234 m nahco3 solution look up the appropriate ka or kb value
4 answers
asked by
samy
1,108 views
A solution containing a mixture of metal cations was treated with dilute HCl and no precipitate formed. Next, H2S was bubbled
4 answers
asked by
Brunost
8,870 views
Please check these thanks.
1. In a titration, 33.21 mL 0.3020M rubidium hydroxide solution is required to exactly neutralize
4 answers
asked by
missy
2,272 views
when 25.0 mL of a solution containing both Fe2+ and Fe3+ ions is titrated with 23.0 mL of 0.0200 M KMnO4 (in dilute sulfuric
4 answers
asked by
Albert
4,250 views
17.8 g of CH4 react with 55.4 g of O2 to form CO2 and H20
identify the limiting and excess reagent. what is the mass of CO2
7 answers
asked by
Skye
1,183 views
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a
4 answers
asked by
Kathy R
2,770 views
What mass of silver nitrate is dissolved in 40.0 mL of a 0.400 M solution of silver nitrate?
4 answers
asked by
Ivy
2,802 views
A bottle containing a standard solution of KMnO4 is found to have brown stains on the inside. Why will this KMnO4 be of no
4 answers
asked by
red
3,091 views
If you start with 1.00 g NaCl and an excess of the other reactants, how many grams of Cl2 will be produced?
4 answers
asked by
brooke
2,557 views
Which statement is true for the cell as it discharges?
Zn | Zn2+(1 .0 M) || Sn2+(1.0 M) | Sn (A) Oxidation occurs at the tin
6 answers
asked by
LT
2,093 views
It takes 333.51 joules to melt exactly 1 gram of H2O. What is the molar heat of fusion for water, from this data?
4 answers
asked by
me
1,580 views
I don't think there is any benzene in Elmer's glue. In fact, I suspect finding something with benzene in it will be tough to do
4 answers
asked by
DrBob222
1,303 views
Calculate the mass of water produced when 6.51 g of butane reacts with excess oxygen.
4 answers
asked by
Julianna
647 views
15.0g of potassium trioxochlorate(v) was crushed and heated with about 0.1g of manganese(iv)oxide, calculate the mass of
4 answers
asked by
Favour
863 views
What volume of 0.5 BaCl2 are needed to have 0.1moles of BaCl2
4 answers
asked by
Anonymous
1,075 views
Balance the redox reaction Zn+NO3^-=Zn^²+ +NH3
4 answers
asked by
Samu V Jadhao
2,393 views
How many moles of each ion are present, per liter, in a solution that is labeled “0.221 M
CaCl2 ”? CaCl2 Ca +2 + 2 Cl-
4 answers
asked by
Jerry
1,056 views
H2+1/2O2=H2O(1)+285.8kj
6 answers
asked by
anbesa
2,481 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
2,388 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (62)
Academic Subjects
Advanced Placement (AP)
Arts and Sciences
Biology
Career
Earth Science
Education
Educational Resources
Experiments
General science
High School
History and Science
Homework Help
Industries
Majors
Math
Math and Science
Math/Science
Mathematics
Mathematics & Science
Mathematics and Science
Movies
Natural Sciences
Online Discussion
Physical Science
Physical Sciences
Physics
Science
Science & Environment
Science & Medicine
Science & Nature
Science and Biology
Science and Education
Science and Engineering
Science and Environment
Science and Experimentation
Science and Experiments
Science and Geography
Science and Health
Science and Math
Science and Mathematics
Science and Medicine
Science and Nature
Science and Research
Science and Technology
Science Education
Science Experiment
Science Experiments
Science Safety
Science/Educational
Science/Math
Science/Mathematics
Science/Molecular Biology
Science/Physics
Science/Technology
Sciences
Scientific Experiment
STEM (Science, Technology, Engineering, and Mathematics)
STEM (Science, Technology, Engineering, Mathematics)
Subjects
Test Preparation
Word Problems