Recent questions in Chemistry

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Which element has the LARGEST atomic radius? Be Ca Ba Sr

Komaruloh asked Apr 21, 2023

by Komaruloh

8.1k points

2 answers

19 votes

166k views

Write the skeleton equation for the reaction between hydrochloric acid (HCl) and zinc. The products are hydrogen gas and zinc chloride.

InsaneBot asked Apr 21, 2023

by InsaneBot

7.7k points

1 answer

23 votes

76.0k views

Mention 3 types of making bases

Teoreda asked Apr 20, 2023

by Teoreda

7.8k points

2 answers

9 votes

37.9k views

Please help me :( 1.) A laser emits light of frequency = 4.74 x 1014 sec-1. What is the wavelength of the light in nm? 2.) A certain electromagnetic wave has a wavelength of 625 nm. a.) What is the frequency

Benoit Blanchon asked Apr 20, 2023

by Benoit Blanchon

8.2k points

1 answer

9 votes

88.8k views

2. Based on what you read, how do sedimentary rocks differ from igneous rocks? A. Sedimentary rocks are formed by small pieces called sediments, while igneous rocks are formed by heat and pressure. B.

Matthew Ruddy asked Apr 20, 2023

by Matthew Ruddy

7.9k points

1 answer

16 votes

201k views

Which is the correct formula for nitrogen (I) oxide?

Ctrlz asked Apr 19, 2023

by Ctrlz

8.5k points

2 answers

5 votes

235k views

Where did Rutherford believe the protons were found?

Robert Chen asked Apr 19, 2023

by Robert Chen

7.9k points

1 answer

9 votes

20.5k views

9. The chemical formula for the hormone testosterone is C19H28O2(s). What is its molar mass?

Der Kommissar asked Apr 19, 2023

by Der Kommissar

8.1k points

2 answers

15 votes

220k views

Write a readable story on the basis of following outlines. A farm girl carrying a bucket of milk on head ... thinking about selling milk ...... selling it to buy chickens ......... chickens laying eggs

Lobianco asked Apr 18, 2023

by Lobianco

7.8k points

1 answer

0 votes

49.7k views

What is the formula for energy change?

Franklinsijo asked Apr 17, 2023

by Franklinsijo

8.0k points

2 answers

8 votes

87.4k views

How many moles of NH3 are in 4.20 x 1024 molecules of it?

Nurikabe asked Apr 17, 2023

by Nurikabe

8.1k points

1 answer

7 votes

64.1k views

If the pOH of a nitric acid (HNO3) solution is measured as 11, what is the concentration of HNO3 solution? Choose one 2 × 10-3 M 1 × 10-3 M 1 × 10-11 M 3 × 10-3 M

Puppe asked Apr 17, 2023

by Puppe

8.0k points

1 answer

13 votes

177k views

303 K into °C How To convert 303 K into °C

Amjad Sahi asked Apr 17, 2023

by Amjad Sahi

8.5k points

1 answer

5 votes

196k views

Is ninhydren test positive for protein?

Carlos asked Apr 16, 2023

by Carlos

8.1k points

1 answer

10 votes

118k views

Pls help tyy How are NH 3 and O 2 reactants? Explain your answer:

Tito Sanz asked Apr 16, 2023

by Tito Sanz

8.4k points

2 answers

4 votes

8.7k views

If you placed a rubber duck on the surface of the water in the middle of the pot, in which direction would it go

Kate Zz asked Apr 16, 2023

by Kate Zz

7.5k points

1 answer

12 votes

72.3k views

If given 0.8 moles of sugar and 713.1 mL of water, what is the Molarity?

Erwin Kurniawan A asked Apr 15, 2023

by Erwin Kurniawan A

7.6k points

1 answer

9 votes

199k views

0.965g of iodine was shaken with a mixture of 50cm3 trichloromethane and 50cm3 of water in the separating funnel until equilibrium was attained at 25 degrees Celsius. After the layers had settled, 25cm3

Sitakant asked Apr 14, 2023

by Sitakant

7.8k points

1 answer

3 votes

194k views

Why isn’t there anyone helping for chemistry I need this by literally tomorrow morning before 8:30 ;-; 4.) Draw XY3 where X has 5 valence electrons and Y has 7 valence electrons 5.) Draw AB2 where A has

Yellowbuck asked Apr 13, 2023

by Yellowbuck

8.6k points

1 answer

10 votes

108k views

What is the freezing point in °C) of a 1.56 m aqueous solution of CaCl2? Enter your rounded answer with 3 decimal places. Kt for water = 1.86 °C/m

Aparna asked Apr 13, 2023

by Aparna

8.2k points

2 answers

2 votes

28.4k views

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