Recent questions in Chemistry

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define unit cell and explain why the unit cell will always crystallize from solution or break into the same shape

Bruno Borges asked Jul 4, 2023

by Bruno Borges

3.2k points

1 answer

31 votes

214k views

In the following equation, what does the "(s)" symbol represent? Ca(s) + O₂(g) → ___CaO(aq) O That the substance Ca is a sandwhich O That the substance Ca is measured in seconds. O That the substance Ca

Kimberly asked Jul 4, 2023

by Kimberly

2.7k points

1 answer

44 votes

400k views

All of these are signs of chemical change EXCEPT Color change Change of temperature Gas bubbles appear Freezing (Change of state of matter)

Harikrishnan CV asked Jul 4, 2023

by Harikrishnan CV

3.1k points

1 answer

11 votes

392k views

A solution contains 5. 120 moles of Li2SO3 with a molarity of 6. 750 M. What is the volume of this solution

Manoj Paul asked Jul 4, 2023

by Manoj Paul

2.5k points

1 answer

45 votes

340k views

What is the name of this molecule? H O A. Propene • B. Butene C. Butane D. Propane

Skate To Eat asked Jul 4, 2023

by Skate To Eat

2.6k points

1 answer

28 votes

315k views

A state government is trying to decide between using biomass or nuclear power to generate electricity. What advantage does biomass have over nuclear power?A.Biomass is a nonrenewable source.B.Biomass produces

Mike Diglio asked Jul 4, 2023

by Mike Diglio

3.1k points

1 answer

41 votes

61.7k views

A hypothesis is best written as ?

Sahil Sareen asked Jul 4, 2023

by Sahil Sareen

3.0k points

1 answer

45 votes

21.9k views

An engineer turns the temperature of a gas down, holding the volume constant at 1,250 L. Initially, the temperature of the gas was 625. °C and had a pressure of 275. KPa. Determine the pressure of the

Mathew Hall asked Jul 4, 2023

by Mathew Hall

2.7k points

1 answer

26 votes

156k views

The release of aluminium ions as a result of acid rain is less significant in areas containing limestone rock - why?

Ber asked Jul 4, 2023

by Ber

3.0k points

1 answer

15 votes

436k views

Create a double replacement reaction 3) CO(OH)3 + HNO3 4) FeBr3 + H2SO4

MacDada asked Jul 4, 2023

by MacDada

2.9k points

1 answer

11 votes

396k views

Determine the mass in grams of 6.71 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01 g.)

Germanescobar asked Jul 4, 2023

by Germanescobar

2.7k points

2 answers

31 votes

55.0k views

Draw the major product formed when hbr reacts with the given epoxide.

Lcarsos asked Jul 4, 2023

by Lcarsos

3.2k points

1 answer

27 votes

433k views

Carbon dioxide has a relatively high solubility in blood plasma, although it has a very low partial pressure. What law describes this phenomenon

Dumitru Birsan asked Jul 4, 2023

by Dumitru Birsan

2.2k points

1 answer

40 votes

197k views

In order to change the liquid milk into a solid, what had to happen

Jayababu asked Jul 4, 2023

by Jayababu

2.5k points

1 answer

20 votes

387k views

Question 16 of 30 Which substance will form a solution when mixed with solid sodium chloride? O A. CCl4(0) SUBMIT B. CH₂OH() C. Cl₂(g) OD. NaO₂ (s)

Gatsby asked Jul 4, 2023

by Gatsby

3.6k points

1 answer

45 votes

446k views

Mass is a measure of weight. A. True B. False

Amin Kiany asked Jul 4, 2023

by Amin Kiany

2.9k points

2 answers

15 votes

258k views

Why is the spectrum from our sun a combination of spectral types?.

Sarine asked Jul 4, 2023

by Sarine

2.8k points

1 answer

9 votes

98.4k views

To make the future development more eco-friendly and decrease soil erosion, choose one of the following recommendations:

Dwarrior asked Jul 4, 2023

by Dwarrior

2.7k points

1 answer

5 votes

315k views

Based on context of the passage, the term. deposition means A laying down of sediments B erosion control C silt fences D landslides

Marcel Overdijk asked Jul 4, 2023

by Marcel Overdijk

2.8k points

1 answer

28 votes

82.9k views

What prefix should be used for the oxygen atom when naming the chemical formula SO₂? mono- pent- di- tri-

Philip Nuzhnyy asked Jul 4, 2023

by Philip Nuzhnyy

3.0k points

2 answers

16 votes

457k views

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