Recent questions in Chemistry

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What is the significance of the speciation of metal/inorganic elements?

Tribalvibes asked Dec 25, 2024

by Tribalvibes

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A certain hydrate has the formula MgSO₄.xH₂O. A quantity of 54.2 g of the compound is heated in an oven to drive off the water. If the steam generated exerts a pressure of 24.8 atm in a 2.0 L container

Fluent asked Dec 25, 2024

by Fluent

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1 answer

2 votes

191k views

What happens when an acidic solution is mixed with a basic solution? Give an example

Inbar Cheffer asked Dec 25, 2024

by Inbar Cheffer

8.2k points

1 answer

0 votes

30.1k views

As the temperature of a liquid solvent increases, what happens to the amount of solute that can dissolve in it? A) It decreases. B) It increases. C) It remains constant. D) It decreases and increases.

Abnab asked Dec 25, 2024

by Abnab

7.1k points

1 answer

2 votes

198k views

IBWA standard of quality for bromate is_____

Daniel Nill asked Dec 25, 2024

by Daniel Nill

8.7k points

1 answer

5 votes

90.3k views

What is the significance of the 2' 3' and 5' carbon on a sugar? A) They determine the sugar's taste B) They influence the sugar's color C) They form the sugar's structure D) They affect the sugar's solubility

Danseethaler asked Dec 25, 2024

by Danseethaler

8.1k points

1 answer

4 votes

51.8k views

Write a short note on p block of elements

Rayhan asked Dec 25, 2024

by Rayhan

8.2k points

1 answer

1 vote

37.5k views

When steaming milk, if the milk has large bubbles and lacks shine, your milk is _____________. A) Overheated B) Underaerated C) Scalded D) Over-aerated

VictorCreator asked Dec 25, 2024

by VictorCreator

7.2k points

1 answer

1 vote

49.5k views

Reactants in an enzyme-catalyzed chemical reaction are also called: A. Polymers. B. Products. C. Substrates. D. Organics.

RealPK asked Dec 25, 2024

by RealPK

8.6k points

1 answer

1 vote

230k views

How do we know if a molecule is (+) or (-)?

Stepan Kuzmin asked Dec 25, 2024

by Stepan Kuzmin

8.3k points

1 answer

1 vote

94.4k views

The rate of spontaneous nuclear decay: A) can be increased by the addition of a nuclear catalyst. B) can be increased by increasing the concentration of the radioactive element. C) is independent of concentration

Ricardo Ferreira asked Dec 25, 2024

by Ricardo Ferreira

8.1k points

1 answer

0 votes

22.5k views

What is the reference range and critical values for POTASSIUM?

Mohamedrias asked Dec 25, 2024

by Mohamedrias

8.5k points

1 answer

0 votes

220k views

True or false? Simple molecular substances never contain metals.

Shnizlon asked Dec 25, 2024

by Shnizlon

9.1k points

2 answers

3 votes

70.2k views

Which of the following statements correctly describes the hydrogen ion-hydroxide ion balance in the given solutions?

Nevada Williford asked Dec 25, 2024

by Nevada Williford

7.9k points

1 answer

5 votes

175k views

"What element has the noble gas electron configuration [Kr]5s-4d105p)

Yazazzello asked Dec 25, 2024

by Yazazzello

8.7k points

1 answer

5 votes

113k views

When plates are turned upside down, what potential issue may arise due to melted agar? A. Colony Mismatch B. Spillage Hazard C. Uneven Heating D. Contaminant Growth

FLab asked Dec 25, 2024

by FLab

7.4k points

1 answer

2 votes

148k views

Which of the following statements shows how to calculate the reference angle for theta equals 11 pi over 6? A. Pi - 0 B. 0 - pi C. pi - 0

Juanchopanza asked Dec 25, 2024

by Juanchopanza

8.6k points

1 answer

2 votes

64.8k views

The Ksp for a very insoluble salt is 4.2×10−47 at 298 K. What is ΔG∘ for the dissolution of the salt in water? The for a very insoluble salt is at 298 . What is for the dissolution of the salt in water?

Enid asked Dec 25, 2024

by Enid

8.2k points

2 answers

5 votes

86.1k views

Excess oil production that causes redness, flakiness, and irritation is a condition known as A) Hypopigmentation B) Eczema C) Rosacea D) Psoriasis

Max Caceres asked Dec 25, 2024

by Max Caceres

7.4k points

1 answer

1 vote

73.2k views

Solve for x, where M is molar and s is seconds. x=(4.3×10^3 M^−2 s^−1) (0.45M)^3

Nik Bo asked Dec 25, 2024

by Nik Bo

8.2k points

1 answer

0 votes

224k views

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