Recent questions in Chemistry

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Sodium chlorate = sodium chloride + oxygen formula

WSD asked Jul 5, 2023

by WSD

2.8k points

1 answer

39 votes

322k views

I need help with this

Sodman asked Jul 5, 2023

by Sodman

3.0k points

1 answer

33 votes

13.4k views

~ What is meant by chlorination? How does it purify the water? \\ \\ ~ Define vitamins. What are the types of vitamins? Explain them.

Jonathan Wareham asked Jul 5, 2023

by Jonathan Wareham

2.6k points

1 answer

38 votes

418k views

Which of the following is an example of a physical change?A. A metal rustsB. A bond breaksC. A log of wood burnsD. A solid dissolves

Pumpkee asked Jul 5, 2023

by Pumpkee

2.6k points

1 answer

0 votes

80.9k views

Which substances in the list give me some of the reactants and products in the same condition reaction?

Linojon asked Jul 5, 2023

by Linojon

2.9k points

1 answer

12 votes

55.4k views

A food web is shown below. A drought in this ecosystem makes the ground become very dry. Which of the following would most likely result from this change? A. The grass will grow more rapidly, which will

Ordag asked Jul 5, 2023

by Ordag

2.9k points

1 answer

37 votes

102k views

Which is a mixture? A. Water reacting with oxygen B. Salt dissolved in water C. Sodium and chlorine in a molecule D. A solid aluminum pan

Jake Manet asked Jul 5, 2023

by Jake Manet

3.1k points

2 answers

21 votes

107k views

Calculate the Kelvin and Fahrenheit temperature equivalent to 37° Celsius.

Rich Pollock asked Jul 5, 2023

by Rich Pollock

2.5k points

1 answer

33 votes

48.5k views

What type of bond joins neighboring water molecules?.

Emir asked Jul 5, 2023

by Emir

3.0k points

2 answers

8 votes

28.7k views

The reaction mixture, at a certain temperature, contained concentrations of0.31 M of NH3, 0.85 M of N2 and 0.031 M of H2 when it reached equilibrium.Calculate Keq at this temperature.

Mario Aguilera asked Jul 5, 2023

by Mario Aguilera

2.9k points

1 answer

25 votes

502k views

Please help!! Trevor watches as a freight train passes. He counts eight identical black railroad cars, then a red car, followed by several more black cars. Which type of organic compound does the train

Rohit Falor asked Jul 5, 2023

by Rohit Falor

2.8k points

1 answer

5 votes

351k views

Why do you think you can see the effects on rocks after 200 years but not after 1 year?

Adam Wenger asked Jul 5, 2023

by Adam Wenger

2.4k points

2 answers

26 votes

310k views

What is the albedo affect

Jamon Holmgren asked Jul 5, 2023

by Jamon Holmgren

2.2k points

2 answers

0 votes

409k views

What volume (in mL) of 0.750 M sodium hydroxide is needed to neutralize (react with) 275 ml of 0.500 M sulfuric acid (H2SO4)? Write your answer with the proper number of sig figs. Balance the equation

TYY asked Jul 5, 2023

by TYY

3.3k points

1 answer

30 votes

790 views

Select two descriptions of this matter

Huluk asked Jul 5, 2023

by Huluk

2.7k points

2 answers

45 votes

483k views

Which is larger a hydrogen atom or a francium atom? how can you tell?

Tungken asked Jul 5, 2023

by Tungken

2.6k points

1 answer

45 votes

199k views

The half-life of carbon-14 is about 5,730 years. A fossil that has 1/16 of the normal proportion of carbon-14 to carbon-12 should be about how many years old?.

Chridam asked Jul 5, 2023

by Chridam

3.1k points

1 answer

16 votes

249k views

What is the mass percent of an unknown solution when 270 grams of solute are combined with 460 grams of water?

Ophidian asked Jul 5, 2023

by Ophidian

2.5k points

1 answer

1 vote

122k views

19) A sample of metal ore is reacted according to the following reaction:Fe(s) +2HCL (aq) --> FeCl2(aq) + H2(g)If 24.06 mL of 5.6 M HCL are used, what mass of Fe was in the ore? Keep the answer with 2

Kilua asked Jul 5, 2023

by Kilua

2.9k points

1 answer

26 votes

470k views

Someone pls help me and don’t delete your answer

Igor Alekseev asked Jul 5, 2023

by Igor Alekseev

2.1k points

1 answer

15 votes

15.9k views

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