Recent questions in Chemistry

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a gavanic (voltaic) cell consists of an electreode composed of magnerisum in an 1.0 m magneiusm ion solution and another electroede compsoed of copper in a 1.0 m copper (i) solution, connected by a salt

Carlos Parra asked Dec 22, 2024

by Carlos Parra

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1 answer

1 vote

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What is the mass of 3.50 mol of Zn atoms? A. 18.7g. B. 229g. C. 0.0535g

Joe Maher asked Dec 22, 2024

by Joe Maher

8.5k points

1 answer

3 votes

32.2k views

Can you use a open flame to warm a refrigerant bottle?

Prospero asked Dec 22, 2024

by Prospero

8.6k points

1 answer

5 votes

77.1k views

Why are free ionic bonds of little importance and relatively unlikely to form in living organisms?

Sjlee asked Dec 22, 2024

by Sjlee

8.4k points

1 answer

0 votes

24.3k views

Question 4 ( 2 points) Listen If a reaction is performed in $525 g$ of an unknown heat capacity and the initial temperature of a reaction is $23.8^{\circ} C$ and the final temperature of a reaction is

Ozgeneral asked Dec 22, 2024

by Ozgeneral

8.1k points

1 answer

5 votes

12.2k views

How is steel made from raw materials (iron, coal and limestone)?

Nick Lang asked Dec 22, 2024

by Nick Lang

8.6k points

1 answer

5 votes

226k views

Is clingfilm a good item to use to cover a burn? Options: A) Yes, for all types of burns B) No, it can cause infection C) Yes, for minor burns D) No, it restricts airflow

Kalish asked Dec 22, 2024

by Kalish

8.8k points

1 answer

0 votes

168k views

Convert .00612 kg to decigrams.

Corith Malin asked Dec 22, 2024

by Corith Malin

7.9k points

1 answer

2 votes

11.4k views

A solution that is neutral has a pH of: 0 14 10 1 7

DavyJonesUA asked Dec 22, 2024

by DavyJonesUA

7.9k points

1 answer

0 votes

136k views

This organic substance is found in soil and is formed from decaying matter, making it good for plants also eaten with pita. A) Humus B) Peat C) Clay D) Loam

Zaur asked Dec 22, 2024

by Zaur

7.9k points

1 answer

1 vote

88.3k views

Start with finding the rate of 2S₂O²- and use stoichiometry and the balanced chemical equation to extrapolate... Options: OPTION 1: Product formation OPTION 2: Reactant consumption OPTION 3: Catalyst

Mark Burgoyne asked Dec 22, 2024

by Mark Burgoyne

8.0k points

1 answer

1 vote

90.2k views

Calculate concentration of the solution when 30 grams of salt present in a 250 grams of solution.

Carlos Cordoba asked Dec 22, 2024

by Carlos Cordoba

8.4k points

1 answer

2 votes

64.1k views

formula N2+ 3H2=2NH3 . how many moles of ammonia would you get if 4.5 grams of hydrogen gas reacted with N2?

Obed Amoasi asked Dec 22, 2024

by Obed Amoasi

6.4k points

1 answer

4 votes

73.9k views

Consider 1 kg of austenite containing 1.3 wt% carbon. A) True B) False C) Maybe D) Unknown

Lymia Kanokawa asked Dec 22, 2024

by Lymia Kanokawa

8.6k points

1 answer

4 votes

141k views

A substance has a mass of 10.8g and a volume of 0.76cm3. What is the density

Adam Byram asked Dec 22, 2024

by Adam Byram

7.9k points

1 answer

5 votes

92.3k views

Cerium has four stable naturally occurring isotopes. Which of the following are the isotopes of cerium? 1) Ce-136 2) Ce-138 3) Ce-140 4) Ce-142

Lionel Chan asked Dec 22, 2024

by Lionel Chan

8.1k points

1 answer

3 votes

11.9k views

How is mount st helens and paricutin similar and their locations

Tong Zhu asked Dec 22, 2024

by Tong Zhu

7.9k points

1 answer

1 vote

230k views

Given the typical grade of Pine Point ore as 3% for Pb, and 7% for Zn, with a sample weight of 13.6 kg, estimate the masses of Pb and Zn (in g) contained in the sample. Select the correct expression for

Alexander Kachkaev asked Dec 22, 2024

by Alexander Kachkaev

7.9k points

1 answer

4 votes

190k views

A level edexcel chemistry: Make a table with the following headings: Functional group Reagents Conditions Products Reaction type Do I need to know the mechanism? Not asking for a whole table just examples

Judyann asked Dec 22, 2024

by Judyann

7.9k points

1 answer

1 vote

141k views

What nuclear symbol can be represented by 40p^+, 52n^0? A) ^92U^235 B) ^92U^238 C) ^92U^242 D) ^92U^245

WPFNewbie asked Dec 22, 2024

by WPFNewbie

8.0k points

1 answer

4 votes

71.0k views

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