Recent questions in Chemistry

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How to know how many bonds transition metals make? A) By their position in the periodic table B) By their atomic number C) By their electronegativity D) By their oxidation state

Katstevens asked Oct 10, 2024

by Katstevens

8.2k points

1 answer

5 votes

230k views

Been stuck on this one a while

WinterChilly asked Oct 10, 2024

by WinterChilly

8.5k points

1 answer

0 votes

104k views

Answer the following questions about C₂H4O. (a) C₂H4O (molar mass 44.06g/mol) is a gas at room temperature and can be harmful at concentrations above 8.17 x 10-6M. What is the maximum mass of this compound

Kevin Gaudin asked Oct 10, 2024

by Kevin Gaudin

8.5k points

1 answer

3 votes

154k views

For a strong base such as KOH, what is the relationship between the base concentration and hydroxide ion concentration? a) the hydroxide ion concentration is equal to the base concentration b) the hydroxide

Jonas T asked Oct 10, 2024

by Jonas T

9.1k points

1 answer

1 vote

41.6k views

Drag the tiles to the correct boxes to complete the pairs. Match each term to its definition. Tiles chemical energy Pairs a measure of the average kinetic energy of particles energy that a substance has

Terence Johnson asked Oct 10, 2024

by Terence Johnson

8.0k points

1 answer

1 vote

59.0k views

A recipe for salad dressing asks for 1 1/2 cups of olive oil and 1 1/2 cups of vinegar. How many cups of olive oil do you need to mix with 5 1/2 cups of vinegar? A) 1 1/2 cups B) 2 cups C) 2 1/2 cups D)

KenS asked Oct 10, 2024

by KenS

7.7k points

1 answer

1 vote

42.2k views

How many grams of Milk of Magnesia, Mg(OH)₂ (s) (58.3 g/mol), would be soluble in 200 mL of water? Ksp = 7.1 × 10⁻¹². Include the ionic reaction and the expression for Ksp in your answer. (Kw = 1 × 10⁻¹⁴

Eddex asked Oct 10, 2024

by Eddex

7.6k points

1 answer

4 votes

147k views

Beryllium and iodine Express your answer as a chemical formula.

TorbenJ asked Oct 10, 2024

by TorbenJ

8.5k points

1 answer

5 votes

160k views

Which of the following processes in the Calvin cycle require the expenditure of ATP? A: carbon fixation B: sugar production C: regeneration of RuBP D: A and B E: B and C F: A, B, and C

Jerome VDL asked Oct 10, 2024

by Jerome VDL

8.1k points

1 answer

3 votes

41.5k views

Help chemistry image below

Kavin Dsouza asked Oct 10, 2024

by Kavin Dsouza

8.2k points

1 answer

3 votes

94.4k views

To make a phosphate buffer at pH 12.38 starting with one liter of 10 mM phosphoric acid (H₃PO₄; pKs are of 2.15, 6.82, and 12.38), you could add a) 0.01 M NaOH b) 0.1 M NaOH c) 1 M NaOH d) 10 M NaOH

Mark Fraser asked Oct 10, 2024

by Mark Fraser

8.1k points

1 answer

3 votes

21.5k views

Which statement about CO₂ is FALSE? A)Its concentration in the blood is decreased by hyperventilation. B)More CO₂ dissolves in the blood plasma than is carried in the RBCs. C)CO₂ concentrations are greater

Cathryn asked Oct 10, 2024

by Cathryn

7.9k points

1 answer

1 vote

118k views

Tiffin containers can be prevented from rusting by electroplating by ........... while rusting of car bumper can be prevented by electroplating of .......... .

Origamic asked Oct 10, 2024

by Origamic

8.2k points

1 answer

0 votes

147k views

What is the independent (test), whats the outcome (dependent), whats the control, and constant?

Philipp Braun asked Oct 10, 2024

by Philipp Braun

7.9k points

1 answer

1 vote

217k views

What mass of NaOH should be dissolved in sufficient water to get 20 m³ of an aqueous solution of pH =7.3 at 25∘C? A. 0.16 g B. 1.6×10⁻⁴ g C. 0.04 g D. 0.12 g

Eric Rowell asked Oct 10, 2024

by Eric Rowell

8.3k points

1 answer

1 vote

206k views

Write a word equation for the reaction of zinc with sulfuric acid.____

MetalBearSolid asked Oct 9, 2024

by MetalBearSolid

8.2k points

1 answer

5 votes

2.3k views

HELP!!! CHEMISTRY QUESTION NEED ANSWERED QUICKLY!!! (Picture attached) The forward reaction for Reaction B is... - endothermic - exothermic If Reaction B was at equilibrium and then was heated ______ CH3OH

Mdcuesta asked Oct 9, 2024

by Mdcuesta

7.4k points

1 answer

5 votes

165k views

Potatoes can be peeled commercially by soaking them in a 3-M to 6-M solution of sodium hydroxide, then removing the loosened skins by spraying them with water. Does a sodium hydroxide solution have a suitable

Spbots asked Oct 9, 2024

by Spbots

8.9k points

1 answer

1 vote

153k views

How many moles of HCl can form from 25.2 moles of Na₂S₂O₃? a) 25.2 moles b) 50.4 moles c) 12.6 moles d) 6.3 moles

Moloud Ayat asked Oct 9, 2024

by Moloud Ayat

7.8k points

1 answer

3 votes

79.3k views

States and Substances WS Complete the following phrases to make complete sentences. Your answers should demonstrate that you have read States of Matter. 1. "Solid" is the state of matter where 2. A liquid

JanR asked Oct 9, 2024

by JanR

8.3k points

1 answer

3 votes

29.8k views

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