Recent questions in Chemistry

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How to work out rate of reaction

SeeTheC asked Oct 5, 2024

by SeeTheC

7.7k points

1 answer

2 votes

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What type of bond? Ionic, covalent or both

Rgvlee asked Oct 5, 2024

by Rgvlee

8.8k points

2 answers

3 votes

35.4k views

The molecular weight of phosphoric acid, H3 PO4, is 97.99 g/mol. What is the mass, in grams, of 0.00948 mol of phosphoric acid? a) 0.92 g b) 0.93 g c) 0.94 g d) 0.95 g

Evgeny Panasyuk asked Oct 5, 2024

by Evgeny Panasyuk

8.4k points

1 answer

2 votes

43.2k views

Ionic compounds contain a combination of oppositely charged cations anions in a specific ratio to produce a compound with a given whole-number charge? a. True b. False

TheBlueNotebook asked Oct 5, 2024

by TheBlueNotebook

7.5k points

1 answer

3 votes

186k views

Why is Hydrogen not included in the Alkali metal Family? A) It is not a metal B) It is in Period 1 which contains only two Elements C) It has only one electron D) It is not highly explosive/reactive

Alfredo Morales asked Oct 5, 2024

by Alfredo Morales

7.9k points

1 answer

5 votes

175k views

A sample of a white powder contains 40 g of carbon, 6.67 g of hydrogen, and 53.33 g of oxygen. What is the empirical formula of this compound?

Morty asked Oct 5, 2024

by Morty

8.8k points

1 answer

1 vote

65.6k views

The last electron in an iron atom occupies a _______ orbital: A. 4s B. 4p C. 4d D. 3d

Lostiniceland asked Oct 5, 2024

by Lostiniceland

8.4k points

1 answer

5 votes

168k views

2H + C +T+5P + 2B + H2CTP, B2 You have 14 slices of ham. How many pickles are needed to make sandwiches with all of the ham?

Ouida asked Oct 5, 2024

by Ouida

8.2k points

1 answer

5 votes

222k views

What is the total pressure exerted by a mixture containing two gases if the partialpressure of one gas is 70 torr and the partial pressure of the other gas is 30 torr?a. 100 torrb. 40 torrc. 70 torrd.

Remyremy asked Oct 5, 2024

by Remyremy

8.5k points

1 answer

4 votes

6.5k views

This reaction is also known as the Dark reactions and takes place in the stoma (SYNTHESIS). What reaction is this? A) Photosynthesis B) Respiration C) Synthesis D) Oxidation

Eastafri asked Oct 5, 2024

by Eastafri

8.5k points

1 answer

4 votes

222k views

Rearrange the work equation and show the equation for force. Work equation: W=Fxd

Ouah asked Oct 5, 2024

by Ouah

9.5k points

1 answer

2 votes

200k views

The height of Victoria falls is 63 m. What is the difference in temperature of water at the top and at the bottom of fall ? [Given 1 cal=4.2 J and specific heat of water =1 cal g⁻¹C⁻¹] A. 14.76°C B. 0.

Nory asked Oct 5, 2024

by Nory

8.6k points

1 answer

0 votes

44.5k views

What is the mass of 0.10 mole of methane (CH4)? A. 0.10 gram B. 1.00 gram C. 1.60 grams D. 16.00 grams

Ofir Fridman asked Oct 5, 2024

by Ofir Fridman

8.4k points

1 answer

1 vote

49.5k views

In a reaction involving an aryl halide and TMS-acetylene in the presence of NEt3 and a palladium catalyst (either Pd[PPh3]2Cl2 or Pd[PPh3]4), water is not formed throughout the reaction, indicating that

Eartha asked Oct 5, 2024

by Eartha

8.0k points

1 answer

5 votes

172k views

What is the correct ionic formula when Ga^3+ and S^2- react? a) GaS b) Ga2S3 c) GaS2 d) Ga3S2

Sliver asked Oct 5, 2024

by Sliver

8.1k points

1 answer

4 votes

78.9k views

What tests prove that CFC's are getting into the atmosphere?

Myzz asked Oct 5, 2024

by Myzz

8.2k points

1 answer

2 votes

78.0k views

What is a generally effective purpose detergent for cleaning issues? Options: A) Baking Soda B) Bleach C) Vinegar D) Dish Soap

Rohit Chatterjee asked Oct 5, 2024

by Rohit Chatterjee

8.4k points

1 answer

3 votes

163k views

Which of the following can undergo gas exchange? A: Alveoli B: Terminal bronchioles C: Bronchi D: Secondary bronchi

Cerberos asked Oct 5, 2024

by Cerberos

8.5k points

1 answer

4 votes

202k views

Please help Sulfur dioxide gas (SO2) reacts with excess oxygen gas (O2) and excess liquid water (H2O) to form liquid sulfuric acid (H2SO4) according to the reaction below. In the laboratory, a chemist

Pankaj Teckchandani asked Oct 5, 2024

by Pankaj Teckchandani

8.1k points

1 answer

4 votes

132k views

What is the mass percent of carbon in carbon dioxide?

Khanakia asked Oct 5, 2024

by Khanakia

8.0k points

1 answer

3 votes

31.9k views

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