Recent questions in Chemistry

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Predict the major mono-substitation product for the following reaction. Bro, FeBrz

Gfmoore asked Dec 21, 2024

by Gfmoore

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1 answer

5 votes

39.5k views

Which of the following would cause mercury to be denser than water? Choose all that apply. A. the particles that make it up have more mass B. the particles that make it up are closer together C. the particles

Darren Haynes asked Dec 21, 2024

by Darren Haynes

8.5k points

1 answer

0 votes

123k views

Which number line shows the solution set for 1h-21 = 4? O O O -8 -6 -4 -2 0 2 4 6 8 + -8 -6 -4 -2 0 2 4 6 8 -8 -6 -4 -2 0 2 4 6 8 -8 -6 -4 -2 0 2 m 4 6 8

Shadi Farzankia asked Dec 21, 2024

by Shadi Farzankia

7.5k points

1 answer

2 votes

88.4k views

In three to five sentences, explain the effects of acid rain on the environment.

Razvan Dumitru asked Dec 21, 2024

by Razvan Dumitru

8.2k points

1 answer

3 votes

22.9k views

Part 20 requires contamination surveys be performed to detect accidental spread of radioactive material in the course of routine use. A) True B) False C) Depends on the type of material D) Only for specific

PlushEngineCell asked Dec 21, 2024

by PlushEngineCell

8.4k points

1 answer

0 votes

131k views

Give example on how an element has the tendency to share electrons

Harjot asked Dec 21, 2024

by Harjot

8.3k points

1 answer

1 vote

215k views

Define : Baseline- Solvent front -

Simon Steele asked Dec 21, 2024

by Simon Steele

8.8k points

1 answer

0 votes

67.1k views

Determine the resulting nitrate ion concentration when 95.0 mL of 0.992 M potassium nitrate and 155.5 mL of 1.570 M calcium nitrate are combined. This question was posted and the answer was said to be

Joshua Kelly asked Dec 21, 2024

by Joshua Kelly

7.5k points

1 answer

1 vote

127k views

What is the molality of a solution prepared by dissolving 225 mg of glucose (C6H12O6) in 5.00 mL ofethanol (density = 0.789 g/mL)

Alcamtar asked Dec 21, 2024

by Alcamtar

9.5k points

1 answer

4 votes

87.7k views

Estimate vr, hr, and sr for oxygen at 150 k and 20 bar by all appropriate generalized correlations. a) vr = ..., hr = ..., sr = ... b) vr = ..., hr = ..., sr = ... c) vr = ..., hr = ..., sr = ... d) vr

Furicane asked Dec 21, 2024

by Furicane

7.0k points

1 answer

4 votes

136k views

Calculate the final temperature (in Celsius) of HCI gas if 0.500 L at 42°C and 0.950 atm is heated until the volume reaches 1.81 L at 0.950 atm. (deg C)

Saloua asked Dec 21, 2024

by Saloua

8.0k points

1 answer

3 votes

53.0k views

What mass (grams) of magnesium chloride would be formed by the compete reaction of 72.8 grams of magnesium? Mg +FeCl2 --> Fe + MgCl2

Prayag Gediya asked Dec 21, 2024

by Prayag Gediya

7.4k points

1 answer

5 votes

23.2k views

An unknown polyatomic ion (XY) combines with Br to form the following compound (XY)Br3. What is the charge on XY? A. +3 B. -3 C. +1 D. -1

Amparo asked Dec 21, 2024

by Amparo

7.7k points

1 answer

5 votes

184k views

Cogeneration: A- is the simultaneous production of electricity and thermal energy B- has become a standard feature in many ExxonMobil refining, petrochemical and production facilities around the world

David Gillen asked Dec 21, 2024

by David Gillen

8.5k points

1 answer

4 votes

56.3k views

Transmission of blood or body fluids through contact with an intermediate contaminated object, such as a razor, extractor, nipper, or an environmental surface? 1) Direct transmission 2) Indirect transmission

H Boyce asked Dec 21, 2024

by H Boyce

8.6k points

1 answer

3 votes

122k views

Why is it important for all of us to have some understanding of chemistry's: a) Understanding chemical reactions aids in everyday decision-making. b) It helps in the development of communication skills.

Jonnster asked Dec 21, 2024

by Jonnster

8.5k points

1 answer

5 votes

233k views

1. 1 mol de agua (H₂O) tiene 2. 1 mol de Aluminio (Al) tiene 3. 5 moles de ácido sulfúrico (H₂SO4) tienen 6.28 x 1022 átomos de Hierro (Fe) equivalen a Número de átomos de Potasio (K) en 9.5 moles de potasio_

Velusamy Venkatraman asked Dec 21, 2024

by Velusamy Venkatraman

8.3k points

1 answer

5 votes

85.8k views

A scientist performed an experiment using a wax candle and a large airtight glass container filled with oxygen. Nothing could get into or out of the glass container during the experiment. The scientist

Qingbo asked Dec 21, 2024

by Qingbo

8.2k points

1 answer

3 votes

3.2k views

Chemistry? what is it? Why do we use it? explain in 3-5 sentences each question.

Gaurav Tewari asked Dec 21, 2024

by Gaurav Tewari

8.5k points

1 answer

4 votes

225k views

Why do plants generally thrive in a hypotonic environment?

Rodolfoksveiga asked Dec 21, 2024

by Rodolfoksveiga

8.3k points

1 answer

4 votes

134k views

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