Recent questions in Chemistry

Question

Pure salt is made up of sodium and chloride. Each gram of salt contains 0.393g of sodium. About how much sodium is in 59.8g of pure salt? a) 14.5g b) 23.2g c) 5.9g d) 2.4g

Jbyen asked Oct 10, 2024

by Jbyen

7.8k points

1 answer

2 votes

10.9k views

Ascorbic acid (h2c6h6o6) is a diprotic acid. the acid dissociation constants for h2c6h6o6 and kai= 8.00 x 10⁻⁵ and kai2= 1.60 x 10⁻¹². determine the ph of a 0.144m solution of abscorbic acid

Jarry asked Oct 10, 2024

by Jarry

8.1k points

1 answer

1 vote

96.2k views

Your lab group added a small amount of chromium chloride (CrCI2) to a test tube of sodium hydroxide (NaOH). At first nothing happened in the test tube, but after a few seconds a white cloudiness appeared.

Hanshan asked Oct 10, 2024

by Hanshan

8.1k points

1 answer

2 votes

230k views

A plant has 2n = 16. Which of the following statements is TRUE? 1) n = 4 2) n = 8 3) n = 12 4) n = 16

BlackWolf asked Oct 10, 2024

by BlackWolf

7.7k points

1 answer

5 votes

183k views

What is the formula mass of the hypothetical compound A2R1Q1 if the atomic masses of A, R, and Q are 18.4, 12.6, and 24.7, respectively? Option 1: 73.6 Option 2: 55.3 Option 3: 31.7 Option 4: 46.1

Bluescarni asked Oct 10, 2024

by Bluescarni

7.2k points

1 answer

1 vote

111k views

When a bond's yield to maturity is less than the bond's coupon rate, what happens to the bond? 1) The bond's price increases 2) The bond's price decreases 3) The bond's price remains the same 4) Cannot

Nik Chankov asked Oct 10, 2024

by Nik Chankov

8.8k points

1 answer

4 votes

92.7k views

Explain, with reasons, whether the LTIC systems described by the following equations are (i) stable or unstable in the BIBO sense; (ii) asymptotically stable, unstable, or marginally stable. Assume that

Monty asked Oct 10, 2024

by Monty

8.6k points

1 answer

1 vote

44.0k views

What is the atomic mass of Hafnium if out of 200 atoms, 10 have mass 176.00g/mol, 38 have mass 177.00g/mol, 54 have mass 178.00g/mol, 28 have mass 179.00g/mol, and 70 have mass 180.00g/mol? a) 178.2 g/mol

Isaactfa asked Oct 10, 2024

by Isaactfa

7.7k points

1 answer

5 votes

33.7k views

Find the mass precent of solute and solvent if 25 g of nacl is dissolved in 75g of h2o

Ryan Leach asked Oct 10, 2024

by Ryan Leach

7.9k points

2 answers

2 votes

76.2k views

Calculate the pH if [OH-] = 1.60 × 10-4 M pleaseeee help!!!!!

Egwspiti asked Oct 10, 2024

by Egwspiti

9.1k points

1 answer

3 votes

64.7k views

Glutathione peroxidase functions as an antioxidant. What mineral does this enzyme use to perform this function?

Maks K asked Oct 10, 2024

by Maks K

8.0k points

1 answer

1 vote

197k views

When aqueous solutions of cadmium chloride and sodium sulfide are mixed, a precipitate of cadmium sulfide forms, leaving soluble sodium chloride in the solution. Write the molecular equation for the reaction.

Kostyantyn asked Oct 10, 2024

by Kostyantyn

7.7k points

1 answer

0 votes

159k views

Drag each tile to the correct box. Match each set of energy sublevels to the principal energy level that contains them. s sublevel s and p sublevels s, p, and d sublevels third energy level arrowRight

Pavan Tiwari asked Oct 10, 2024

by Pavan Tiwari

8.1k points

1 answer

2 votes

146k views

You prepare a 5.87 m solution of sodium chloride, nacl (table salt) to cook your pasta. its density is 1.27 g/ml. At what temperature will it boil (assume that your kitchen is at sea level, and treat your

Aron Rotteveel asked Oct 10, 2024

by Aron Rotteveel

8.1k points

1 answer

4 votes

232k views

Oxy-acetylene generates the highest temperature which can reach up to _____. a) 2000 ºF b) 3000 ºF c) 4000 ºF d) 5000 ºF

Puttputt asked Oct 10, 2024

by Puttputt

7.3k points

1 answer

2 votes

95.5k views

The interaction of aligned sp3 orbitals on adjacent atoms is _____________ It will ____________ (increase/decrease) the internal energy of a rotamer.

Stian Skjelstad asked Oct 10, 2024

by Stian Skjelstad

7.4k points

1 answer

2 votes

106k views

Net ionic equation for Lead acetate (II) + potassium chromate

Flaashing asked Oct 10, 2024

by Flaashing

7.7k points

1 answer

4 votes

171k views

Date Complete all boxes. Have your instructor initial the boxes after they have checked your model for each molecule/ion. Each Box=0.5 pts. Formula and instructor initials NH₃ CS₂ CHCL₃ C in center SO₃

Sprague asked Oct 10, 2024

by Sprague

8.4k points

1 answer

1 vote

211k views

A substance keeps the same volume, but changes it’s shape according to the container it’s in. Is it a solid, a liquid or a gas?

Sobhit Sharma asked Oct 10, 2024

by Sobhit Sharma

7.8k points

1 answer

3 votes

185k views

Why does P have larger Rf value in TLC analysis than o?

Arryph asked Oct 10, 2024

by Arryph

8.5k points

1 answer

3 votes

58.4k views

Page:

« prev
1
...
864
865
866
867
868
869
870
...
1000
...
next »

Ask a Question

Recent questions in Chemistry

Other Questions