Recent questions in Chemistry

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How is a metal-salt displacement reaction different from a metal-acid displacement reaction?

Illvm asked Sep 27, 2024

by Illvm

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Determine the mass in grams of each of the following: a) 2.3 moles of KCl (molar mass = 74.55 g/mol) b) 0.5 moles of Mg(NO3)2 (molar mass = 148.32 g/mol) c) 3 moles of N2 (molar mass = 28.02 g/mol) d)

Dmirkitanov asked Sep 27, 2024

by Dmirkitanov

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1 answer

0 votes

180k views

How does the decomposition of organic matter affect the distribution of gases in the atmosphere?

Ryan Kempe asked Sep 27, 2024

by Ryan Kempe

8.8k points

1 answer

4 votes

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Discuss the reasons for the differences in glass transition temperature for the following pairs of polymers with similar chemical structures. Draw each chemical structure and show all reasoning. Polyethylene

Jrok asked Sep 27, 2024

by Jrok

8.0k points

1 answer

1 vote

143k views

The most responsible factor for whether a substance takes the phase of solid, liquid, gas, or plasma is its?

Vincentlcy asked Sep 27, 2024

by Vincentlcy

8.5k points

1 answer

5 votes

106k views

How can the movement of thermal energy/equilibrium be similar to the movement of an animal?

Littlefoot asked Sep 27, 2024

by Littlefoot

7.6k points

1 answer

4 votes

124k views

How many grams of 40% pure FeO can produce 5. 6g Fe according to given equation (At. Wt. Of Fe = 56) FeO + CO = Fe + CO2

Fencekicker asked Sep 27, 2024

by Fencekicker

7.9k points

1 answer

3 votes

189k views

In your 350 g of solution containing 35 g of sugar, what is the percent concentration of the sugar? (show your work)

Wengseng asked Sep 27, 2024

by Wengseng

8.9k points

1 answer

2 votes

131k views

Beta-Alanine can improve performance for approximately how much time?

ElChiniNet asked Sep 27, 2024

by ElChiniNet

8.1k points

1 answer

5 votes

65.2k views

Is water Benedict ( simple sugar) or Iodine ( complex sugar) is egg simple or complex sugar is vegetable simple or complex sugar or neither?

Yawn asked Sep 27, 2024

by Yawn

7.9k points

1 answer

2 votes

75.5k views

How to prepare 20% ethanol solution

Charice asked Sep 27, 2024

by Charice

8.0k points

1 answer

4 votes

94.9k views

When oxygen is readily available, pyruvate from Glycolysis will enter the mitochondria membrane for the Krebs Cycle. ______ will oxidize pyruvate, meaning it will take a carbon away. This results in the

Flagbug asked Sep 27, 2024

by Flagbug

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217k views

Which of the following nitrogenous waste solutes is the most abundant solute found in urine? 1) Urea 2) Ammonia 3) Creatinine 4) Uric acid

Clockworkgeek asked Sep 27, 2024

by Clockworkgeek

8.5k points

2 answers

4 votes

232k views

One not "of sound mind" is non this a) Compos mentis b) Calculus c) E=mc² d) Renaissance

Hugh Jones asked Sep 27, 2024

by Hugh Jones

8.6k points

1 answer

2 votes

70.6k views

Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions: Zn²+, Fe²+, I-, S²-

Mhdtouban asked Sep 27, 2024

by Mhdtouban

7.8k points

1 answer

5 votes

203k views

For a theoretical yield of 5.3 g and actual yield of 4.00551 g, calculate the percent yield for a chemical reaction. Select all that apply

Shamil Yakupov asked Sep 27, 2024

by Shamil Yakupov

7.8k points

1 answer

3 votes

36.7k views

During the vernal equinox, what occurrence takes place that happens only twice a year? a. The Sun’s rays are perpendicular to the Tropic of Cancer, causing 12 hours of daylight on both Northern and Southern

Kumar Sambhav asked Sep 27, 2024

by Kumar Sambhav

8.3k points

1 answer

0 votes

146k views

A process in which substances interact in a way that changes ionic or covalent bonds is called a A. Chemical reaction B. Physical reaction C. Nuclear reaction D. Biological reaction

Soohyun asked Sep 27, 2024

by Soohyun

7.4k points

1 answer

1 vote

71.8k views

Write the balanced net ionic equation for the addition of aqueous sodium iodide to a solution of aqueous silver nitrate?

Sterlin asked Sep 27, 2024

by Sterlin

7.8k points

1 answer

5 votes

94.2k views

Select all of the measurements that have exactly 2 significant figures Question 17 options: 14.0 mL 0.1 g 1300 m 0.054 mg 100 g 0.020 kg 36 cm 0.030 L

Marc Giombetti asked Sep 27, 2024

by Marc Giombetti

8.2k points

1 answer

3 votes

114k views

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