Recent questions in Chemistry

Question

A 0.125-M solution of Mn(NO₃)₂ is saturated with H₂S ([H₂S] = 0.10 M). At what pH does MnS begin to precipitate? a) 2 b) 4 c) 6 d) 8

Shikhar Mishra asked Oct 8, 2024

by Shikhar Mishra

7.5k points

1 answer

1 vote

30.9k views

Consider the formation of an ionic bond between the elements potassium (K) and chlorine (Cl). Which of the following statements describe this process correctly? •Cl gains two electrons to form the Cl⁻

Urusha asked Oct 8, 2024

by Urusha

7.9k points

2 answers

1 vote

190k views

Besides distributing the refrigerant evenly, a refrigerant distributor also: A) Regulates temperature B) Filters impurities C) Controls pressure D) Manages humidity

Mukunda asked Oct 8, 2024

by Mukunda

8.5k points

1 answer

0 votes

25.9k views

Penelope compared to both Artemis and Aphrodite A) More intelligent B) Less intelligent C) Equally intelligent D) Not enough information

SrPanda asked Oct 8, 2024

by SrPanda

8.7k points

1 answer

0 votes

36.9k views

Which type of plastic manufacturing would most likely be used to make food storage bags?

Rybosome asked Oct 8, 2024

by Rybosome

8.3k points

1 answer

5 votes

127k views

What's the consequence of linkage disequilibrium for Hardy Weinberg calculations?

Svetoslav Petrov asked Oct 8, 2024

by Svetoslav Petrov

8.0k points

1 answer

0 votes

160k views

Bromothymol Blue is an indicator used to detect the presence of _______________________________ gas. During cellular respiration, _________________gas is given off and turns the indicator _____________.

Tommaso Capelli asked Oct 8, 2024

by Tommaso Capelli

7.9k points

1 answer

1 vote

151k views

Review-Chemical Reactions Write balanced chemical equations for the following reactions: a. chlorine gas and aqueous sodium iodide react to form aqueous sodium chloride and solid iodine b. solid sodium

Zhifeng Hu asked Oct 8, 2024

by Zhifeng Hu

9.0k points

1 answer

0 votes

14.4k views

Define acid and what is the highest pH

Tavares asked Oct 8, 2024

by Tavares

7.7k points

1 answer

0 votes

141k views

I have liters of ethanol contaminated with methyl acrylate (MA) from cleaning UV resin 3D prints. Is there an easy way to purify this ethanol by separating MA (as unwanted product) from it? Distillation

Charan Raju C R asked Oct 8, 2024

by Charan Raju C R

8.4k points

1 answer

5 votes

177k views

What are some byproducts of mitochondrial oxidative phosphorylation? a) CO₂ and H₂O b) ATP and NADH c) Lactic acid d) Ethanol

Steve Buzonas asked Oct 8, 2024

by Steve Buzonas

7.4k points

1 answer

1 vote

18.7k views

The volume of a sample of air in a cylinder with a movable piston is 2.0 L at a pressure P1 , as shown in the diagram above. The volume is increased to 5.0 L as the temperature is held constant. The pressure

Dustin Getz asked Oct 8, 2024

by Dustin Getz

8.2k points

2 answers

3 votes

69.7k views

A student is making a solution of sugar in water. If the student uses 0.55 moles of sugar and enough water to make 908.08 milliliters of solution, what is the molarity of the student's sugar solution?

Guilherme Lima asked Oct 8, 2024

by Guilherme Lima

8.4k points

2 answers

0 votes

179k views

Why would you need to recommend our flagship oil vs the next highest performance oil

Wade Tandy asked Oct 8, 2024

by Wade Tandy

8.4k points

1 answer

2 votes

131k views

What happens to the corrosive properties of an acid and a base after they neutralize each other? Why?

Pathogen David asked Oct 8, 2024

by Pathogen David

8.7k points

1 answer

2 votes

105k views

Round off the following numbers to three significant figures. 40.009????????

Tasleema asked Oct 8, 2024

by Tasleema

7.0k points

1 answer

2 votes

121k views

3 Cu + 8HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O In the above equation, how many grams of water can be made when 4.1 moles of HNO3 are consumed? Round your answer to the nearest tenth.

Erik Hinton asked Oct 8, 2024

by Erik Hinton

8.0k points

1 answer

5 votes

137k views

How do biologically-relevant atoms follow the octet rule? A) By gaining electrons B) By losing electrons C) By sharing electrons D) By having an odd number of electrons

Ligos asked Oct 8, 2024

by Ligos

8.2k points

1 answer

1 vote

185k views

Convert 652 g Sn(CO3)2 to moles of Sn(CO3)2. (mm = 238.73 g/mol) Options: a) 2.728 b) 5.764 c) 6.129 d) 8.625

Rohit Chemburkar asked Oct 8, 2024

by Rohit Chemburkar

7.7k points

1 answer

3 votes

216k views

Which structure shown is the most stable cation?

Wilder asked Oct 8, 2024

by Wilder

7.6k points

1 answer

0 votes

62.8k views

Page:

« prev
1
...
888
889
890
891
892
893
894
...
1000
...
next »

Ask a Question

Recent questions in Chemistry

Other Questions