Recent questions in Chemistry

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Molecular mass of water means a. 1 mole molecules of water b. 1 gram molecule of water c. 3 gram atoms d. All

Futurecat asked Dec 16, 2024

by Futurecat

7.4k points

1 answer

2 votes

21.5k views

Briefly describe the formation, characteristics and applications of the following forms of carbon: carbonnanotube

Zhafur asked Dec 16, 2024

by Zhafur

8.6k points

1 answer

4 votes

203k views

First ionization energy of hydrogen atom= 2.18 aJ (attojoules). What the frequency and wavelength, in nanometers, of photons capable of just ionizing hydrogen atoms?

Gbmhunter asked Dec 16, 2024

by Gbmhunter

8.7k points

1 answer

0 votes

226k views

Please show you work This is 7th grade science

Ashish Thakkar asked Dec 16, 2024

by Ashish Thakkar

6.7k points

1 answer

3 votes

58.0k views

Convert 76.9 L to cm³. (1cm³=1 mL)?

Ricou asked Dec 16, 2024

by Ricou

7.6k points

1 answer

4 votes

124k views

If you are exposed to radiation you will develop cancer fact or fiction ?

JaakL asked Dec 16, 2024

by JaakL

7.1k points

2 answers

4 votes

32.2k views

find the weight of BACL2 in 250cm³solution if given that after addition of 40.0cm³ of 0.102M AGNO3 solution to 30cm³ of the BACL2 solution, back titration of the excess AGNO3 required 20cm³ of 0.098M NH4CNS

Anas Karkoukli asked Dec 16, 2024

by Anas Karkoukli

8.2k points

1 answer

2 votes

38.5k views

A student is collecting the gas produced from the reaction of 1.5 grams of Mg with excess HCl. When the reaction is complete, how many moles of H2 should have been produced? A. 1.5 moles B. 0.75 moles

Jay Povey asked Dec 16, 2024

by Jay Povey

7.2k points

1 answer

4 votes

148k views

KMnO4 was used by the cleaners to clean the water tank in our building. For a day or two all the water in our and taps cisterns was pink. On using the toilet before flushing I noticed that the colour of

Joshua Cook asked Dec 16, 2024

by Joshua Cook

8.5k points

1 answer

4 votes

218k views

17.4 mL of 0.10 M Na2S2O3 (sodium thiosulfate) was needed for titration of 25.00 mL of diluted bleach, calculate the molarity of the diluted bleach (hypochlorite ion) The mole ratio of sodium thiosulfate

Voidstate asked Dec 16, 2024

by Voidstate

8.2k points

1 answer

4 votes

102k views

When handling chemicals, the pool operator should wear which of the following equipment? A) Gloves and goggles B) An apron C) Personal protective equipment such as gloves and an apron are not necessary

Angela D asked Dec 16, 2024

by Angela D

8.1k points

1 answer

4 votes

155k views

Which of the following are environmental impacts of construction activities? 1) Generation of waste materials 2) Emissions from vehicles and equipment 3) Noise pollution due to use of heavy vehicles and

Safeer Ansari asked Dec 16, 2024

by Safeer Ansari

7.8k points

1 answer

5 votes

135k views

Pus, the fluid inside a pustule, is largely made up of:

Gathole asked Dec 16, 2024

by Gathole

8.1k points

1 answer

5 votes

180k views

When carbon disulfide burns in the presence of oxygen, sulfur dioxide and carbon dioxide are produced according to the following equation. CS2 + 3O2 -----> CO2 + 2SO2 a. What is the theoretical yield of

KCDC asked Dec 16, 2024

by KCDC

7.3k points

1 answer

4 votes

154k views

Light through water is what type of energy ? Refraction reflection or diffusion?

Dofs asked Dec 16, 2024

by Dofs

8.3k points

2 answers

0 votes

194k views

P*V = n*R*T where P = pressure V = volume n = number of moles R = the universal gas constant T = temperature in degrees Kelvin This equation is known as the ideal gas law, and it can be used to predict

Juan Diego Antezana asked Dec 16, 2024

by Juan Diego Antezana

8.3k points

1 answer

5 votes

35.4k views

What is the effect of air resistance on the bending cyclist?

Velocedge asked Dec 16, 2024

by Velocedge

7.2k points

1 answer

1 vote

137k views

Explain the directions for using cepacol mouthwash for the treatment of mouth ulcers.

Chris Meyer asked Dec 16, 2024

by Chris Meyer

8.0k points

1 answer

2 votes

133k views

Is Nutrients and oxygen are distributed throughout the cells of the body through blood circulation.

Nicolas Widart asked Dec 16, 2024

by Nicolas Widart

8.2k points

1 answer

3 votes

146k views

What micronutrient deficiencies can be found in athletes? a) Iron and Calcium b) Vitamin C and Vitamin D c) Zinc and Magnesium d) All of the above

Eslimaf asked Dec 16, 2024

by Eslimaf

8.1k points

1 answer

0 votes

161k views

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