Recent questions in Chemistry

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Man-made (synthetic) elements are produced by A. Using extremely high voltages B. Bombardment of an atom by neutrons or alpha particles C. Bombardment of an atom with light waves D. Smashing elements of

MoXplod asked Dec 18, 2024

by MoXplod

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What are the ways in which two substances can be different

Hbabbar asked Dec 18, 2024

by Hbabbar

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1 answer

3 votes

14.6k views

Calculate the mass of magnesium chloride that could be produced from 146g of hydrochloric acid. Assume that the magnesium hydroxide is unlimited. Mg(OH)2 + 2HCl -> MgCl2 + H2O

Rycha asked Dec 18, 2024

by Rycha

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Is boiling point a chemical or physical

Hulothe asked Dec 18, 2024

by Hulothe

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1 answer

1 vote

152k views

In a model experiment baking soda (sodium bicarbonate) is combined with white vinegar (5% acetic acid) under the following circumstances: Sodium bicarbonate + acetic acid → carbon dioxide + water + sodium

Hyuan asked Dec 18, 2024

by Hyuan

7.8k points

1 answer

0 votes

143k views

Calculate the area of a book which has length 30cm and breadth 20cm

Yuksel asked Dec 18, 2024

by Yuksel

7.7k points

2 answers

3 votes

99.0k views

According to Niels Bohr's model of the hydrogen atom, which statement predicts the event that occurs when the hydrogen atom's electron drops from a higher-energy level to a lower-energy level? a. A neutron

Poonam asked Dec 18, 2024

by Poonam

7.9k points

1 answer

3 votes

16.1k views

Concentrated HCI is 15.0 M. What volume is needed to make 200 mL of 1.00 M solution?

Laurent Parenteau asked Dec 18, 2024

by Laurent Parenteau

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1 answer

5 votes

222k views

The standard unit of mass is the _____. meter kilogram pound liter

Robert Benyi asked Dec 18, 2024

by Robert Benyi

8.3k points

1 answer

2 votes

60.0k views

Students in a science dans read that food Mlects the prof the mouth bin that salivary pH feedback resones pH, The den decides to design an experiment to test this statement. The teacher gave you the task

Bala Sivagnanam asked Dec 18, 2024

by Bala Sivagnanam

7.9k points

1 answer

4 votes

175k views

The radioactive element carbon-14 decays to half its size approximately every 5700 years. Determine the remaining mass of 20 g of carbon-14 after 34,200 years. What is the remaining mass? (Round to the

Aaron Keesing asked Dec 18, 2024

by Aaron Keesing

8.1k points

1 answer

4 votes

66.7k views

Hydrobromic acid and copper II carbonate combined... A) CuBr₂ + H₂O + CO₂ B) CuBr₂ + H₂CO₃ C) CuCO₃ + 2HBr D) CuBr₂ + H₂CO₃

Ertan asked Dec 18, 2024

by Ertan

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3 votes

50.6k views

which of the following should have the highest surface tension at a given temperature? group of answer choices carbon tetrachloride methane carbon tetrafluoride carbon tetrabromide carbon tetraiodide

Ramanan asked Dec 18, 2024

by Ramanan

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2 answers

3 votes

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How many man hours of energy will one barrel of oil produce?

Souldzin asked Dec 18, 2024

by Souldzin

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3 votes

44.0k views

In glycolysis, there is no: a. Oxidation b. Decarboxylation c. Dehydrogenation d. Splitting of C-C bonds

AlexT asked Dec 18, 2024

by AlexT

8.2k points

1 answer

1 vote

22.0k views

What alcoholic beverage, developed in 2005 as an "energy beer," contained taurine, guarana, caffeine, and wormwood in its original recipe, and was later slapped with a warning from the FDA?

Vrachlin asked Dec 18, 2024

by Vrachlin

7.9k points

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2 votes

79.6k views

Consider the reaction N2(g) + 02(g) 2N0(g), for which K. = 0.10 at 2,000°C. Starting with initial concentrations of 0.040 M of N2 and 0.040 M of O2, determine the equilibrium concentration of 172 y A.

Johnell asked Dec 18, 2024

by Johnell

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1 answer

3 votes

178k views

Calculate the density of a seawater sample with a volume of 50ml and a mass of 52.4 g?

Sofr asked Dec 18, 2024

by Sofr

7.7k points

1 answer

4 votes

132k views

Would water be a suitable solvent for extracting trimyristin from nutmeg? Explain who or why not. Use the structure of trimyristin as a "hint"

Cognitronic asked Dec 18, 2024

by Cognitronic

8.1k points

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0 votes

226k views

A patient requires 375 mg of liquid medication. on hand is a suspension that has 125 mg per 5 ml. how many ml will be administered

Kennes asked Dec 18, 2024

by Kennes

8.6k points

1 answer

5 votes

155k views

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