Recent questions and answers in Chemistry

Recent questions and answers in Chemistry

Which of the following is NOT a group of elements on the Periodic Table? Noble Gases Alkaline Earth Metals Alkali Gases Transition Metals

Marek Lisiecki answered Jan 4, 2024

by Marek Lisiecki

3.3k points

1 answer

1 vote

164k views

What cell has the lack of a cell wall? Please help! due soon:(

Thomas Hunziker answered Jan 4, 2024

by Thomas Hunziker

3.2k points

1 answer

5 votes

22.0k views

What happens when a solid becomes a liquid? A. It changes shape but not volume. B. It changes shape and volume. C. It changes volume but not shape. D. Neither volume nor shape changes. SUBM

Lbenedetto answered Jan 4, 2024

3.2k points

2 answers

0 votes

158k views

How many electrons are in the outermost shell of oxygen

LMeyer answered Jan 4, 2024

by LMeyer

3.3k points

1 answer

25 votes

169k views

Write the balanced equation fr this chemical reaction _Mg + _O2 -> _MgO

Rahul Gopinath answered Jan 4, 2024

by Rahul Gopinath

3.0k points

1 answer

5 votes

60.7k views

What is the frequency of radio

Wagashi answered Jan 4, 2024

3.6k points

1 answer

9 votes

81.9k views

In the following equation, how many grams of CO2 are produced if 2 moles of O2 react completely with methane (CH4)? CH4 + 2O2 -> CO2 + 2H2OHELPFUL INFO: molar mass of CO2=44g/mol, molar mass of O2=32g/mol,

Gotofritz answered Jan 4, 2024

3.2k points

1 answer

0 votes

201k views

Explain how the sun releases enormus amounts of heat energy

Skatox answered Jan 4, 2024

by Skatox

2.8k points

1 answer

0 votes

163k views

two solutions p and q are mixed to form a solution with ph 7.what could be the ph values of solutions p and q

Enfors answered Jan 4, 2024

by Enfors

2.8k points

1 answer

1 vote

68.0k views

Radon-22 has a half –life of approximately 6 days. If you begin with a sample containing 40 grams of radon, how many grams of radon will be left after 24 days?

Prakhar Agarwal answered Jan 4, 2024

by Prakhar Agarwal

3.0k points

1 answer

6 votes

54.2k views

Evaluate the following statements that explain the difference between a nonpolar covalent bond, a polar covalent bond, and an ionic bond. Identify which two statements are false. In an ionic bond, electrons

Hcharge answered Jan 4, 2024

3.2k points

1 answer

19 votes

152k views

Can someone check my answers? Balance the following chemical equations. 1. __4_ Fe + _3__ O2 → _2__ Fe2O3 2. __2__ C4H10 + __13__ O2 → __8__ CO2 + ___10_ H2O 3. __2__KClO3 → __2__KCl + __3__O2 4. _4___

Aaron Murgatroyd answered Jan 4, 2024

by Aaron Murgatroyd

3.2k points

2 answers

3 votes

31.3k views

Convert 1.67 x 1024 atoms of carbon to moles of carbon. 1.67 x 1024 atoms =

DanceIgel answered Jan 3, 2024

2.9k points

1 answer

5 votes

30.1k views

A titration experiment can be used to...dilute an acid or basepredict products of a reactiondetermine the strength of an aciddetermine the unknown concentration of acid using a known concentration of base.

WickyNilliams answered Jan 3, 2024

by WickyNilliams

3.1k points

1 answer

0 votes

87.5k views

How can we take care of our circulatory? Or what are diseases which can affect it? Answer in your own words) please don’t copy and paste will know ty

Matt Burke answered Jan 3, 2024

3.4k points

1 answer

2 votes

125k views

CO₂ How to find the chemical or iupac name

Tushar Roy answered Jan 3, 2024

3.1k points

1 answer

2 votes

55.4k views

Determine the type of reaction: AgNO3 + Cu --> Cu(NO3)2 + Ag a. Double displacement b. single displacement c. Decomposition d. Synthesis

Wenji answered Jan 3, 2024

by Wenji

3.3k points

1 answer

1 vote

173k views

Need help with chemistry A piece of metal is heated to a temperature of 95.3°C and place in 117 g water which is initially at a temperature of 21.3° C. The final temperature of the metal and water is 32.

Moto answered Jan 3, 2024

by Moto

2.4k points

1 answer

0 votes

920 views

Where are the electrons found in bohr's atomic model?

Farjad Hasan answered Jan 3, 2024

by Farjad Hasan

3.0k points

1 answer

0 votes

225k views

What is the molarity of a solution with 13.95 grams of solute and a volume of 400.0 mL? The solute has a molar mass of 273.2 g/mol.

Gzorg answered Jan 3, 2024

by Gzorg

3.3k points

1 answer

25 votes

5.5k views

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