Recent questions in Chemistry

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How many grams of C6H12O6 are in 300 mL of .25 M solution?

Pampy asked Dec 23, 2024

by Pampy

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Which one of the following is not true of metallic bonding? a. it gives rise to excellent electrical conductivity b. electrons are free to move throughout the structure c. the strength of metallic bonds

Imarktu asked Dec 23, 2024

by Imarktu

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2 answers

2 votes

215k views

Which of the following amino acids will undergo a chemical change in it's R-group as a function of pH a. proline b. aspartic acid c. alanine d. cysteine

RAHUL KUNDU asked Dec 23, 2024

by RAHUL KUNDU

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4 votes

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There are ________ σ and ________ π bonds in the H2C=C=CH2 molecule.

Terrence Brannon asked Dec 23, 2024

by Terrence Brannon

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2 answers

4 votes

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A glass container was initially charged with 1.70 moles of a gas sample at 4.00 atm and 21.7 °C. Some of the gas was released as the temperature was increased to 29.1 °C, so the final pressure in the container

Mohammed Alfateh asked Dec 23, 2024

by Mohammed Alfateh

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1 answer

4 votes

233k views

The formula of caustic potash or potassium hydroxide is KOH. The formula of its carbonate will be: a. K2CO3 b. KCO3 c. KHCO3 d. K3CO3

Benske asked Dec 23, 2024

by Benske

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1 answer

1 vote

171k views

A chemist determined by measurements that 0.0850 moles of aluminum participated in a chemical reaction Calculate the mass of aluminum that participated in the chemical reaction.

Matt Evanoff asked Dec 23, 2024

by Matt Evanoff

8.4k points

1 answer

4 votes

64.8k views

For each polar molecule, choose the molecule and indicate the positive and negative ends of the dipole moment. Part A: CO δ-δ+ C≡O ⟶ δ+δ− C≡O ⟵ nonpolor

Tiny Lincoln asked Dec 23, 2024

by Tiny Lincoln

7.5k points

1 answer

2 votes

83.8k views

What term is used to describe the substance that is totally consumed in a chemical reaction?

Kofifus asked Dec 23, 2024

by Kofifus

8.2k points

1 answer

1 vote

188k views

When acids and alkalis are mixed together in equal proportions, they form:

Yawmark asked Dec 23, 2024

by Yawmark

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1 answer

4 votes

182k views

Methoxyflurane Major side effect limiting use Other SE

Joel Carranza asked Dec 23, 2024

by Joel Carranza

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1 answer

2 votes

198k views

What is the importance of alkali metals

Our Man In Bananas asked Dec 23, 2024

by Our Man In Bananas

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4 votes

64.5k views

Name structural formula 4-Ethyl- 2-hexene Condensed formula

Alchemy asked Dec 23, 2024

by Alchemy

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1 answer

4 votes

354 views

How many moles are in 89.9 mg of Ca(OH)2 ? (Report to 4 decimal places, do not write in scientific notation)

Ajay Ohri asked Dec 23, 2024

by Ajay Ohri

8.2k points

1 answer

3 votes

73.6k views

20j. Write a series of equations to describe the decay chain from one particle to another

Yoeri asked Dec 23, 2024

by Yoeri

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3 votes

228k views

When Na(s) reacts with H₂O(1) to form NaOH(aq) and H₂(g), 184 kJ of energy are evolved for each mole of Na(s) that reacts. Write a balanced thermochemical equation for the reaction with an energy term

Gayathri Ravi asked Dec 23, 2024

by Gayathri Ravi

8.5k points

1 answer

0 votes

94.1k views

What two chemical groups are found at the end of either side of the fatty-acid carbon chain?

Gordon Smyth asked Dec 23, 2024

by Gordon Smyth

7.9k points

1 answer

3 votes

52.9k views

Write a mechanism for reaction of styrene to yield polystyrene in the presence cationic initiator showing the three steps; initiation, propagation and termination. The termination occurs by adding a nucleophile

FractalDoctor asked Dec 23, 2024

by FractalDoctor

8.6k points

1 answer

4 votes

147k views

Does brass or water require more thermal energy for each degree of temperature change? Explain. (Hint- think about the temperature change to reach thermal equilibrium of water vs brass)

Mosaku Abayomi asked Dec 23, 2024

by Mosaku Abayomi

7.8k points

1 answer

3 votes

153k views

Write the correct formula for the following four compounds: sodium oxide, nitrogen trichloride, aluminum carbonate, and lead(II) hydroxide.

Fabrice NEYRET asked Dec 23, 2024

by Fabrice NEYRET

8.1k points

1 answer

5 votes

83.7k views

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