Recent questions in Chemistry

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What would happen if there were no abiotic factors in an ecosystem?

Klaaspieter asked Jul 6, 2023

by Klaaspieter

3.0k points

1 answer

20 votes

474k views

Can you please help resolve and explain?

Ttarczynski asked Jul 6, 2023

by Ttarczynski

2.4k points

1 answer

8 votes

114k views

How many moles are in 2.372e+02 mg (milligrams) of bromic acid?

Bigonazzi asked Jul 6, 2023

by Bigonazzi

2.7k points

1 answer

4 votes

102k views

Wind is caused by differences in elevation. True or False

Godfather asked Jul 6, 2023

by Godfather

2.7k points

2 answers

29 votes

122k views

How many moles of glucose (c6H12o6) is in 700.00 grams of glucose

ProtectedVoid asked Jul 6, 2023

by ProtectedVoid

3.1k points

1 answer

2 votes

38.5k views

How many molecules in 5.68 g of ozone (O3)

Wandos asked Jul 6, 2023

by Wandos

2.4k points

1 answer

35 votes

9.7k views

Calculate the mass of hydrogen in 50ml of water.The water has 11 percent hydrogen and 89 percent oxygen.

Thaweatherman asked Jul 6, 2023

by Thaweatherman

2.9k points

1 answer

33 votes

177k views

How many grams of magnesium would you have in 2.5 moles?

Rindis asked Jul 6, 2023

by Rindis

2.8k points

2 answers

29 votes

506k views

the elements of group 15, 16, 17 are less reactive as they go down in the group of modern perodic tale. why ?

DaveTM asked Jul 6, 2023

by DaveTM

2.5k points

1 answer

26 votes

38.1k views

A 1-kg trophy sits on a shelf. What is the normal force and the direction exerted by the shelf? (Acceleration due to gravity is 9.8 m/s/s.) 1 N up 1 N down 9.8 N up 9.8 N down

Azzamsa asked Jul 6, 2023

by Azzamsa

3.0k points

1 answer

30 votes

69.6k views

What is the mass of 4.55 moles of nitrogen (N2) molecules?

Ingernet asked Jul 6, 2023

by Ingernet

2.4k points

1 answer

2 votes

125k views

Consider the following reaction. 2Fe2O3(s)+3C(s)−→−heat4Fe(s)+3CO2(g) Calculate the number of grams of Fe2O3 needed to react with 18.3 g C.

Zkurtz asked Jul 6, 2023

by Zkurtz

3.2k points

1 answer

12 votes

501k views

How many miles can you drive, if your car gets 20.30 miles per gallon and you have 12.00 gallons of gas?

Aseagram asked Jul 6, 2023

by Aseagram

2.9k points

1 answer

32 votes

130k views

You question that your grandmothers wedding ring is real gold. Given that gold density is 19.32 g/ml, how much volume should her ring take up if it weights 3.27 g

Exception asked Jul 6, 2023

by Exception

2.9k points

1 answer

22 votes

127k views

60 points please help me i will appreciate it!

Rishi Dwivedi asked Jul 6, 2023

by Rishi Dwivedi

2.7k points

1 answer

20 votes

509k views

Describe how you would prepare a sample of sodium nitrate (V) in the laboratory using dilute nitric acid and aqueous sodium hydroxide

Ahmaad asked Jul 5, 2023

by Ahmaad

2.8k points

1 answer

45 votes

109k views

Please help!! Thank you

Dan LaRocque asked Jul 5, 2023

by Dan LaRocque

2.5k points

1 answer

27 votes

358k views

Moles in 222 grams of CaCl2? Please help me. I tried to figure it out 10 times but I still get the same answer which is 2 but my teacher said that it isn’t the right answer.

Mark Semsel asked Jul 5, 2023

by Mark Semsel

2.2k points

1 answer

14 votes

263k views

Can anyone answer this question pleaseeeee

Oleksii Kolotylenko asked Jul 5, 2023

by Oleksii Kolotylenko

2.7k points

1 answer

12 votes

368k views

Sulfur dioxide _____. a) creates a reddish-brown haze in the sky b) is a secondary air pollutant c) has an irritating odor and is colorless d) is relatively harmless to the environment

MarcF asked Jul 5, 2023

by MarcF

2.6k points

1 answer

6 votes

72.2k views

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