Recent questions in Chemistry

Question

The forces of attraction between the particles of a matter sample are strong and draw particles together, keeping them in their place. This is an example O A) of the liquid state of matter OB) of the solid

Nehil Verma asked Oct 1, 2024

by Nehil Verma

7.5k points

1 answer

5 votes

147k views

In the novel process for obtaining magnesium from sea water, what is the balanced chemical equation for the key step? a) 2HCl + Mg(OH)₂ → MgCl₂ + 2H₂O b) MgCl₂ + Ca(OH)₂ → Mg(OH)₂ + CaCl₂ c) 2MgCl₂ + 2H₂O

Gabor Angyal asked Oct 1, 2024

by Gabor Angyal

8.4k points

1 answer

5 votes

130k views

The hydroquinone in the developer brings out the _____ tones, whereas the Elon in the developer brings out the _____ tones on a dental radiograph: black, white; white black; grey, grey; white, grey; OR

J Hunt asked Oct 1, 2024

by J Hunt

7.8k points

1 answer

1 vote

187k views

Draw the products of the following reactions. Use curved arrows to show where the pair of electrons starts and where it ends up.

Tlingf asked Oct 1, 2024

by Tlingf

8.2k points

1 answer

0 votes

107k views

What triggers the development of acne, which afflicts 75-90% of adolescents? A) Dietary factors B) Hormonal changes during puberty C) Lack of proper hygiene D) Genetic predisposition

NewPartizal asked Oct 1, 2024

by NewPartizal

8.4k points

1 answer

3 votes

146k views

The electrons involved in the formation of a chemical bond are called...? - Lewis electrons - dipoles - valence electrons - s electrons

Sdavids asked Oct 1, 2024

by Sdavids

8.6k points

1 answer

1 vote

90.9k views

A 0. 981 liter sample of nh3 is decomposed to produce how many grams of hydrogen gas? 0. 0133 g 3. 03 g 0. 0590 g 0. 0325 g

Joce asked Oct 1, 2024

by Joce

8.8k points

1 answer

0 votes

191k views

How many number of atoms of 12g of carbon element

PYA asked Oct 1, 2024

by PYA

8.5k points

1 answer

4 votes

10.6k views

Nitrogen and oxygen react at high temperatures. a) True b) False

Safran Ali asked Oct 1, 2024

by Safran Ali

7.5k points

1 answer

1 vote

234k views

The grid given below represents part of the periodic table. Study it to answer the questions that follow. The letters do not represent the actual symbols of the elements. C B F D E i) What name is given

MaylorTaylor asked Oct 1, 2024

by MaylorTaylor

8.6k points

1 answer

2 votes

218k views

Nucleic acids contain carbon, hydrogen, oxygen, nitrogen, and phosphorus. What is their main function?

Rus asked Oct 1, 2024

by Rus

8.4k points

1 answer

3 votes

82.2k views

What is the formula for hydrocyanic acid? Give your answer in the form A#B#, where the number is the subscript (don't include a 1 subscript explicitly). For example, the formula MgCl₂ would be entered

Tommymaynard asked Oct 1, 2024

by Tommymaynard

8.5k points

1 answer

2 votes

145k views

In general, electronegativity ______ as atomic size increases because a shared electron pair is closer to the nucleus of a smaller atom, which therefore attracts these electrons ______ strongly. Thus,

JackJoe asked Oct 1, 2024

by JackJoe

8.6k points

1 answer

0 votes

202k views

Return all unused chemicals to their original containers. 1. T 2. F

Luca Rocchi asked Oct 1, 2024

by Luca Rocchi

8.9k points

1 answer

2 votes

133k views

A generic salt, ab, has a molar mass of 337 g/mol and a solubility of 2.80 g/L at 25��C. The equation for the dissolution of ab(s) in water is ab(s) <��> a(aq) + b-(aq). What is the Ksp of this salt at 25��C?

John Maclein asked Oct 1, 2024

by John Maclein

7.7k points

1 answer

1 vote

231k views

What happens when the mixture of magnesium chloride is evaporated?

Sebataz asked Oct 1, 2024

by Sebataz

7.7k points

1 answer

1 vote

225k views

Metals that share both physically and chemical properties are called:________.

Grzegorz Piotrowski asked Oct 1, 2024

by Grzegorz Piotrowski

7.8k points

1 answer

5 votes

58.4k views

How do the valence electrons of an atom affect chemical reactions?

Satyaki Sanyal asked Oct 1, 2024

by Satyaki Sanyal

7.5k points

1 answer

0 votes

200k views

If my tongue freezes to a metal pole is it convection conduction or radiation

Lolix asked Oct 1, 2024

by Lolix

7.4k points

1 answer

1 vote

71.9k views

How many moles of substance will we have, if we measure from 20g of these substances: Zn, Na₂SO₄, C₆H₁₂O₆, S₈, Cu(NO₃)₂, CaCl₂ × 2H₂O

SIMULATAN asked Oct 1, 2024

by SIMULATAN

8.4k points

1 answer

4 votes

132k views

Page:

« prev
1
...
970
971
972
973
974
975
976
...
1000
...
next »

Ask a Question

Recent questions in Chemistry

Other Questions