Recent questions in Chemistry

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What is the molar mass of magnesium nitrate? Round to the nearest 0.01, and include correct units AND substance formula. 148.3 g/mol 148.3 mol 148.3 g were wrong I think

Paul Sham asked Dec 17, 2024

by Paul Sham

7.8k points

1 answer

3 votes

57.3k views

An action potential is self-regenerating because __________. (a) Depolarizing currents established by the influx of K+ flow down the axon and trigger an action potential at the next segment (b) Depolarizing

Gaurang Jadia asked Dec 17, 2024

by Gaurang Jadia

7.5k points

1 answer

2 votes

33.5k views

How many moles of CO2 are produced when 5.45 mol of ethane is burned in an excess of oxygen

TheKojuEffect asked Dec 17, 2024

by TheKojuEffect

8.3k points

1 answer

1 vote

10.5k views

Which of the following is the name given to the union between carbon monoxide and hemoglobin? -carbaminohemoglobin -carboxyhemoglobin -oxyhemoglobin -deoxyhemoglobin

Sebagomez asked Dec 17, 2024

by Sebagomez

7.1k points

1 answer

2 votes

161k views

What is the product of Cu(s) + O₂(g)

Victor Trusov asked Dec 17, 2024

by Victor Trusov

7.2k points

2 answers

0 votes

84.9k views

A molecule made up of two atoms of an element with seven protons and three atoms of an element in group 16, period 2?

Maksym Anurin asked Dec 17, 2024

by Maksym Anurin

8.4k points

1 answer

1 vote

52.8k views

what is the value of δg when [h ] = 5.4×10−2m , [no−2] = 6.3×10−4m and [hno2] = 0.21 m ? express your answer using three significant figure.

Musk asked Dec 17, 2024

by Musk

7.9k points

2 answers

2 votes

95.0k views

A sample of SF4 contains 1.825x10^24 fluorine atoms. What is the mass of the sample of SF4

Ginnine asked Dec 17, 2024

by Ginnine

8.3k points

1 answer

1 vote

93.1k views

Galaxy motion and distance are determined by what? 1.absolute magnitude 2.elliptical orbit 3.white dwarf 4.red shift

Mike Eshva asked Dec 17, 2024

by Mike Eshva

8.0k points

2 answers

2 votes

10.1k views

According to Markovnikov's rule, when 3-methyl-1-butane undergoes and addition reaction with HCl, the chlorine will end up on which main chain carbon?

MrBliz asked Dec 17, 2024

by MrBliz

8.5k points

1 answer

1 vote

85.2k views

How is carbon used to date organic materials? What is the ratio of carbon in living things, and how does it change when something dies?

Ieisha asked Dec 17, 2024

by Ieisha

8.6k points

1 answer

1 vote

194k views

In an electrolytic process solutions of CuSO4 and dilute H2SO4 were hydrolysed in series. If 1.27g of copper was deposited. Calculate the volume of oxygen liberated (Molar volume of gas at stp)

Zerato asked Dec 17, 2024

by Zerato

8.5k points

1 answer

1 vote

19.2k views

use the codon wheel to to determine the amino acid sequence of the following dna strand: ATC-TAC-GAG-GAT

Shiya asked Dec 17, 2024

by Shiya

7.8k points

1 answer

0 votes

192k views

Use the E0 values of the following elements: Zn, Cu, Pb, and Al. Zinc will ___ Pb. a) reduce b) oxidize c) undergo no reaction d) I don't know.

Ali Azimoshan asked Dec 17, 2024

by Ali Azimoshan

8.5k points

1 answer

4 votes

73.6k views

Select the molecule that would not show a peak in an IR spectrum characteristic of a C=C stretch. 2-chloro-3-methyl-2-butene 2,3-dimethyl-2-butene 2-methyl-2-butene 1-butene

Silly John asked Dec 17, 2024

by Silly John

8.1k points

1 answer

5 votes

36.8k views

A student performs a neutralization reaction involving an acid and a base in an open polystyrene coffee-cup calorimeter. how would the calculated value of dh differ from the actual value if there was significant

Vagner Rodrigues asked Dec 17, 2024

by Vagner Rodrigues

8.4k points

1 answer

2 votes

150k views

Zinc is reacted with hydrochloric acid in a test tube. The reaction causes the formation of bubbles and the test tube gets hot. What type of reaction does this example represent? a. Combustion b. Decomposition

Palanik asked Dec 17, 2024

by Palanik

7.6k points

1 answer

4 votes

172k views

What is the function of the cI gene in the lambda phage?

Anmol asked Dec 17, 2024

by Anmol

9.3k points

1 answer

1 vote

89.7k views

Which of the following molecules has a dipole moment of zero? (A) C6H6 (benzene) (B) NO (C) SO2 (D) NH3 (E) H2S"

Mrinal Saurabh asked Dec 17, 2024

by Mrinal Saurabh

8.5k points

1 answer

5 votes

66.8k views

Imagine you are calling out to your friend as they are walking towards you. How is your friend able to hear the sound you create? Crests and troughs are created to carry sound waves through air molecules.

Emmeowzing asked Dec 17, 2024

by Emmeowzing

8.0k points

1 answer

3 votes

5.9k views

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