Recent questions in Chemistry

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What do anions like F do to fulfill the octet rule?

Csoler asked Dec 25, 2023

by Csoler

4.3k points

2 answers

12 votes

146k views

Directions: show all your work, box your answer, and use significant figures to receive credit.If 109 grams of sodium chlorate breakdown, what mass of oxygen will be produced?

Gavin Pickin asked Dec 25, 2023

by Gavin Pickin

4.7k points

1 answer

0 votes

30.1k views

How many different principal quantum numbers can be found in the ground-state electron configuration of nickel

Myles Baker asked Dec 25, 2023

by Myles Baker

4.6k points

2 answers

24 votes

196k views

How does light get through the lenses of eyeglasses and to the eyes? A) Reflection. B) Transmission. C) Luminosity. D) Absorption.

Ggael asked Dec 25, 2023

by Ggael

5.0k points

2 answers

10 votes

24.9k views

A scientist carried out several different procedures, each of which caused a change in matter. Select each procedure that is likely a chemical change.

Blagoj Atanasovski asked Dec 25, 2023

by Blagoj Atanasovski

4.1k points

2 answers

2 votes

194k views

Which feature of a balanced chemical equation demonstrates the law of conservation of mass? A. It shows the products of a chemical reaction to the right of the reaction arrow. OB. It has coefficients to

Superduper asked Dec 25, 2023

by Superduper

4.1k points

2 answers

1 vote

62.4k views

Which type of power generation can cause air pollution? coal wind solar geothermal

Eoinoc asked Dec 25, 2023

by Eoinoc

4.3k points

2 answers

19 votes

102k views

Answer quick its time true or false After learning that light could behave like a particle and a wave, it was discovered that electrons may also act like particles and waves.

Centro asked Dec 25, 2023

by Centro

4.9k points

1 answer

4 votes

8.5k views

Howmany Mol MnO3areproducedwhen 4.30 kg of O2completelyreactsaccordingtothebalancedchemicalreaction:2Mn(s)+3O₂(g)→2MnO₃(s)Answer as equation

Ravi Tiwari asked Dec 25, 2023

by Ravi Tiwari

5.1k points

1 answer

5 votes

42.4k views

If you have an altitude of 55 mi. (miles), which layer of the atmosphere are you in?

Michael WS asked Dec 25, 2023

by Michael WS

4.7k points

1 answer

22 votes

148k views

I need help asap <3

Alessandro Jacopson asked Dec 25, 2023

by Alessandro Jacopson

5.4k points

1 answer

3 votes

193k views

Can two different isotopes of the same element ever have the same atomic mass?

Krishnaacharyaa asked Dec 25, 2023

by Krishnaacharyaa

5.0k points

1 answer

2 votes

65.4k views

Which of these is/are conserved during a chemical reaction ? a)Mass only b) Charge only c)both mass and charge d)neither

El Hocko asked Dec 25, 2023

by El Hocko

4.6k points

1 answer

24 votes

88.9k views

Oxygen gas is prepared in the laboratory through the catalytic decomposition of hydrogen peroxide. Define a catalyst

Awiebe asked Dec 25, 2023

by Awiebe

4.7k points

1 answer

0 votes

183k views

You are boiling vegetables on the stove and notice the lid of the pot moving up and down Why?

Configbug asked Dec 25, 2023

by Configbug

5.0k points

1 answer

2 votes

180k views

The formation of rust is represented by the following reaction: 4Fe + 3O2 → 2Fe2O3 + energy Is this reaction exothermic or endothermic? How do you know?

Philipp Otto asked Dec 25, 2023

by Philipp Otto

4.7k points

1 answer

0 votes

70.8k views

Density of 1kg of metallic sphere is 2.5 gcm-3 then the volume occupied by sphere is?

Yusufaytas asked Dec 25, 2023

by Yusufaytas

4.7k points

1 answer

15 votes

138k views

Find the number of moles of oxygen in 7.2 moles of H2 S04

Daniel Shapero asked Dec 25, 2023

by Daniel Shapero

5.1k points

1 answer

0 votes

37.4k views

Why it is important not to allow children to handle money

Rixo asked Dec 25, 2023

by Rixo

4.9k points

2 answers

13 votes

229k views

Calculate the required values of the following solution0.5M Al(OH)3pH=pOH=[H30+]=[OH-]=

Greg Bogumil asked Dec 25, 2023

by Greg Bogumil

4.0k points

1 answer

5 votes

37.0k views

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