Recent questions in Chemistry

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Can you change your name I you are 16 year old in Florida??????? I need real proof guys!!

Sudhansu Choudhary asked Dec 27, 2024

by Sudhansu Choudhary

8.3k points

2 answers

2 votes

432 views

If two or more atoms are bonded together, what do we call this particle? Ion Element Nucleus Molecule

Chris Gill asked Dec 27, 2024

by Chris Gill

8.0k points

1 answer

5 votes

31.1k views

Is there a trend in which the alkali metals react with water explain your answer

Geofrey Ssekirime asked Dec 27, 2024

by Geofrey Ssekirime

7.6k points

1 answer

2 votes

125k views

Carbon dioxide and water form O precipitated calcium carbonate. O calcium bicarbonate. O carbonic acid. underground limestone deposits.

Panktijk asked Dec 27, 2024

by Panktijk

8.0k points

1 answer

4 votes

22.8k views

Heating the raw gypsum in the manufacturing process is known as?

AcsErno asked Dec 27, 2024

by AcsErno

7.3k points

1 answer

3 votes

172k views

Where can the elements with the lowest ionisation energy be found on the periodic table?

Roman Petrenko asked Dec 27, 2024

by Roman Petrenko

7.2k points

1 answer

2 votes

40.7k views

By considering the structure of the Urea we can predict it is soluble in water. a. True b. False

Anconia asked Dec 27, 2024

by Anconia

7.8k points

1 answer

0 votes

223k views

Which method is the correct way to dry tableware, equipment, and food contact surfaces? a. Air Drying b. Using a Shared Towel c. Wiping with a Dirty Cloth d. Leaving Them Wet

Mixone asked Dec 27, 2024

by Mixone

7.3k points

1 answer

1 vote

201k views

Solutions A and B are separated by membrane permeable to K+ but not to Cl- . Solution A is 100mM KCl and solution B is 1mM KCl. Which of the following statements about solutions A and B is TRUE? A. K+

Joiggama asked Dec 27, 2024

by Joiggama

8.7k points

1 answer

4 votes

116k views

a 34% by mass h2so4(aq) solution has a density of 1.07 g/cm3 . how much solution contains 13.37 g of h2so4? 1. 0.934579 ml 2. 2.74876 ml 3. 48640.1 ml 4. 12.4953 ml 5. 36.751 ml

IllegalPigeon asked Dec 27, 2024

by IllegalPigeon

8.6k points

1 answer

4 votes

13.4k views

How many grams are there in one whole number three all over four kg show the solving

Bergerg asked Dec 27, 2024

by Bergerg

8.4k points

1 answer

1 vote

108k views

What is a device that uses steam to sterilize equipment and deactivate bacteria, viruses, fungi, and spores?

Hypino asked Dec 27, 2024

by Hypino

7.8k points

1 answer

5 votes

179k views

Consider the reaction represented by the space-fill models shown. Drag the correct label to each box.

Nisal Edu asked Dec 27, 2024

by Nisal Edu

7.5k points

2 answers

5 votes

45.5k views

The absorption of light energy by a molecular species can be of use for quantitative analysis because the amount of light energy absorbed at a particular wavelength by a compound in solution is proportional

Raphael Marques asked Dec 27, 2024

by Raphael Marques

8.4k points

1 answer

4 votes

119k views

What happens to the resting membrane potential of -70 mV when sodium channels open ______. A) hyperpolarization B) membrane stabilization C) repolarization D) depolarization E) returns to -70 mV

Beauxq asked Dec 27, 2024

by Beauxq

8.2k points

1 answer

2 votes

118k views

An oxide of lead 90.65% lead by weight.what is the empirical formula given that atomic mass of pb=207 and 0=16

Ramusus asked Dec 27, 2024

by Ramusus

8.7k points

1 answer

4 votes

151k views

Which of the following statements correctly describes a greenhouse gas? (Select all that apply)" a. They trap heat in the atmosphere. b. They include only human-made pollutants. c. They contribute to the

Aitor Martin asked Dec 27, 2024

by Aitor Martin

8.1k points

1 answer

1 vote

147k views

Write an essay about endothermic reactions

Farid Cheraghi asked Dec 27, 2024

by Farid Cheraghi

8.1k points

1 answer

3 votes

220k views

Always cut usable glass scraps into standard sizes a)True b)False

Amazia Gur asked Dec 27, 2024

by Amazia Gur

7.2k points

1 answer

3 votes

124k views

A 17.0 g sample of ammonia, NH₃, contains 3.0 g of hydrogen. What is the mass percentage of each element in ammonia? a) Hydrogen: 17.6%, Nitrogen: 82.4% b) Hydrogen: 15.0%, Nitrogen: 85.0% c) Hydrogen:

Shahar Galukman asked Dec 27, 2024

by Shahar Galukman

7.9k points

1 answer

2 votes

45.9k views

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