Recent questions in Chemistry

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Stars that wink are actually what? 1. a binary pair 2.open 3.closed 4. an eclipsing binary pair

Imoatama asked Dec 15, 2024

by Imoatama

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What is the total number of carbon atoms in 6-ethyl-2-octyne? 2 4 8 10

Yoniyes asked Dec 15, 2024

by Yoniyes

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3 votes

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All of the following are principle solutes normally found in urine EXCEPT o urea. o creatinine. o albumin. o uric acid. o sodium ions.

Franswa asked Dec 15, 2024

by Franswa

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1 vote

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Oxy-Acetylene can generate a temperature of up to

Enneppi asked Dec 15, 2024

by Enneppi

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- A block of lead has dimensions of 2.50 cm by 4.20 cm by 5.00 cm. The block has a mass of 2587 g. From this information, calculate the density of lead.

Rickstar asked Dec 15, 2024

by Rickstar

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1 vote

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C8H18(l) + O2(g) -> CO2(g) + H2O(l) Balance the equation. a) 2C8H18(l) + 25O2(g)-> 16CO2(g) + 18H2O(l) b) C8H18(l) + 12.5O2(g) -> 8CO2(g) + 9H2O(l) c) 2C8H18(l) + 12.5O2(g) -> 16CO2(g) + 18H2O(l) d) C8H18(l)

ARKBAN asked Dec 15, 2024

by ARKBAN

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1 vote

102k views

The n =1 electron energy level of a H atom has an energy of −2.18 × 10–18 J. What is the energy of the n = 5 level?

Yusuf Ganiyu asked Dec 15, 2024

by Yusuf Ganiyu

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Name the order of intermolecular forces in terms of increasing strength. A.) Hydrogen bonding, dipole-dipole, dispersion B.) Dispersion, hydrogen bonding, dipole-dipole C.) Dispersion, dipole-dipole, hydrogen

Marijo asked Dec 15, 2024

by Marijo

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5 votes

172k views

The pH of dil.Hcl is____ and the solution is_____

Anjal Saneen asked Dec 15, 2024

by Anjal Saneen

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3 votes

45.1k views

The probability that a z-score will be between -1.6 and -1.06 is enter your response here. (

Cfbd asked Dec 15, 2024

by Cfbd

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1 vote

86.1k views

muriatic acid, found in hardware stores, is an impure solution of hci. it has several uses from cleaning swimming pools to treating concrete. what would be the ph of the hcl solution after addition of

Rajan Prasad asked Dec 15, 2024

by Rajan Prasad

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Is making jam a qpysical or chemical change

Romar asked Dec 15, 2024

by Romar

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What is the result of conjugation between Hfr x F-?

Mate asked Dec 15, 2024

by Mate

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182k views

Caproic acid (C₅H₁₁COOH) is found in small amounts in coconut and palm oils and is used in making artificial flavors. A saturated solution of the acid contains 11g/L and has a pH of 2.94. Calculate Ka

Ivan Ignatiev asked Dec 15, 2024

by Ivan Ignatiev

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A gaseous mixture of O2 and N2 contains 32.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 445 Torr ? Express you answer numerically in torr.

Harmands asked Dec 15, 2024

by Harmands

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How many millimoles of ethanol would need to be burned to generate the amount of energy that is needed to heat 200g

Marchelbling asked Dec 15, 2024

by Marchelbling

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3 votes

162k views

The capacity of an LP-Gas container shall be determined either by weight or by _____________.

Daniel Wilson asked Dec 15, 2024

by Daniel Wilson

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4 votes

162k views

Identify which type of arrow is most appropriate for each reaction.

NiravS asked Dec 15, 2024

by NiravS

9.3k points

1 answer

0 votes

159k views

Name the following compounds: a. Fes(PO3)2 b. LiHCO3 c. Why did you name these compounds as you did? Explain.

CanardMoussant asked Dec 15, 2024

by CanardMoussant

8.5k points

1 answer

5 votes

73.5k views

What would be the mass of 1.98 * 10^(28) molecules of H2O

Quantumplate asked Dec 15, 2024

by Quantumplate

8.4k points

2 answers

2 votes

153k views

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