Recent questions in Chemistry

Question

What is C in bohr’s equation?

DaGhostman Dimitrov asked Dec 20, 2024

by DaGhostman Dimitrov

8.1k points

1 answer

0 votes

22.4k views

Many technologies use enclosed fluids. For example, a hydraulic press at an auto repair shop uses trapped water to lift heavy cars. Hot-air balloons heat trapped air to lift a basketful of people. Look

AnhellO asked Dec 20, 2024

by AnhellO

8.0k points

1 answer

4 votes

189k views

How much area does the rio grande take up

Yamuna Mathew asked Dec 20, 2024

by Yamuna Mathew

8.2k points

2 answers

4 votes

2.3k views

What is the Bronsted-Lowry definition of a base? A) Donor of protons B) Acceptor of protons C) Can accept a pair of electrons D) Can donate a pair of electrons

Rics asked Dec 20, 2024

by Rics

7.8k points

2 answers

5 votes

176k views

An ionic bond is formed when electrons are a) Split. b) Transferred. c) Shared. d) Destroyed.

Neville asked Dec 20, 2024

by Neville

7.0k points

1 answer

5 votes

122k views

What is the net reaction for the voltaic cell with Cu/Cu^2+ and Hg/Hg2^2+ half cells? a. Cu^2+ + 2e- → Cu + Hg2^2+ → 2Hg b. Cu + 2Hg2^2+ → Cu^2+ + 2e- c. Cu + 2e- → Cu^2+ + Hg2^2+ → 2Hg d. Cu^2+ + Hg2^2+

Oriesok Vlassky asked Dec 20, 2024

by Oriesok Vlassky

7.9k points

1 answer

5 votes

95.3k views

If I understand it correctly photosynthesis is an endothermic reaction. Energy from the sun is used to form glucose. Next the glucose is turned into starch. Would this be a combination reaction? If so,

Kathir Subramaniam asked Dec 20, 2024

by Kathir Subramaniam

8.1k points

1 answer

2 votes

122k views

What action should be taken if the results from a secondary tank chlorine test are within the acceptable limits? a) Continue monitoring without any adjustments b) Dilute the chlorine concentration c) Increase

BTL asked Dec 20, 2024

by BTL

7.6k points

1 answer

4 votes

38.9k views

Select the strongest acid from the following list. A. HIO B. HClO2 C. HClO3 D. HBrO2 E. HBrO

Somangshu Goswami asked Dec 20, 2024

by Somangshu Goswami

7.5k points

1 answer

1 vote

113k views

Starting with the definition of the rate of effusion and Graham’s findings relating rate and molar mass, one can derive Graham’s law equation, which relates the relative rates of effusion for two gases

Patrick Reagan asked Dec 20, 2024

by Patrick Reagan

8.9k points

1 answer

0 votes

91.3k views

18.8% Na, 29.0% Cl, 52.3% O empirical formula

Oomph Sonar asked Dec 20, 2024

by Oomph Sonar

8.7k points

1 answer

0 votes

70.7k views

A 1/6 dilution of serum in H2O was made. The glucose result was 4.0 mmol/L. What was the reported result? A) 24.0 mmol/L B) 4.0 mmol/L C) 0.67 mmol/L D) 1.5 mmol/L

Kleptine asked Dec 20, 2024

by Kleptine

8.2k points

1 answer

2 votes

217k views

Imagine you are bitten by a poisonous snake. You recognize the snake as one that produces venom that cleaves the fatty acids from the glycerol moiety of glycerophospholipids. Which of the following phospholipase

Pervez Choudhury asked Dec 20, 2024

by Pervez Choudhury

7.8k points

1 answer

5 votes

184k views

In the conversion between grams and moles, what specific value is used as the molar mass to relate these two units?

Akhalsa asked Dec 20, 2024

by Akhalsa

7.8k points

1 answer

1 vote

201k views

A student wants to make a fair comparison of the reactivity of the metals with hydrochloric acid. Name the 2 variables that must be constant. Concentration of hydrochloric acid. The amount of time the

Dmitry Vakhrushev asked Dec 20, 2024

by Dmitry Vakhrushev

8.6k points

1 answer

4 votes

52.0k views

In the literature I found compounds where gold occurs in a 1+ and 3+ oxidation state, like the perovskite CsAuCl_3, and also came across the fact that gold usually doesn't occur in a Au2+ state. However,

Brian CT asked Dec 20, 2024

by Brian CT

7.6k points

1 answer

4 votes

233k views

What happens in REDOX reactions? What do we mean when we state that a compound was oxidized or reduced? a) REDOX reactions involve the reduction of oxygen b) Oxidation is the gain of electrons, and reduction

Om Kumar asked Dec 20, 2024

by Om Kumar

7.8k points

1 answer

1 vote

190k views

When 0.703 g of sodium metal is added to an excess of hydrochloric acid, 7310 J of heat are produced. What is the enthalpy of the reaction as written? 2Na(s) + 2HCl(aq) ⟶ 2NaCl(aq) + H₂(g)

Asfer asked Dec 20, 2024

by Asfer

8.3k points

1 answer

4 votes

118k views

EMS 4-Corner: Tonight Moon Phase Sentence

Muhammed Ozdogan asked Dec 20, 2024

by Muhammed Ozdogan

8.1k points

1 answer

3 votes

119k views

Which is a pure substance? (compound, mixture, solution, both mixture & solution)

Atomicules asked Dec 20, 2024

by Atomicules

8.3k points

1 answer

3 votes

9.9k views

Page:

« prev
1
...
102
103
104
105
106
107
108
...
1000
...
next »

Ask a Question

Recent questions in Chemistry

Other Questions