Chemistry

An oxygen debt is incurred when a person is engaged in A) aerobic exercise. B) anaerobic ...

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The temperature of a sample of CH4 gas (10.34 g) in a 50.0 L vessel at 1.33 atm is ________ C. A) ...

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In the galvanic cell using the redox reaction below, the reduction half-reaction is ________. Zn (s) ...

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How much heat is absorbed when 45.00 g of C(s) reacts in the presence of excess SO2(g) to produce ...

Started by KWilfred

In the Lewis structure of HCO3-, the formal charge on H is ________, and the formal charge on C is ...

Started by Jipu 123

What are the respective concentrations (M) of K+ and PO43- afforded by dissolving 0.800 mol K3PO4 in ...

Started by jho37

The volume of 0.25 mol of a gas at 72.7 kPa and 15 C is ________ m3. A) 8.1 10-5 B) 1.2 10-4 ...

Started by CQXA

Which solution below has the highest concentration of hydronium ions? A) pH = 3.0 B) pH = 10 C) ...

Started by dmcintosh

A gas in a 325 mL container has a pressure of 695 torr at 19 C. There are ________ mol of gas in the ...

Started by Mr.Thesaxman

Calculate the concentration (M) of sodium ions in a solution made by diluting 50.0 mL of a 0.874 M ...

Started by jrubin

The danger from mixing ammonia with bleach is the production of ________. Fill in the blank(s) ...

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The principal reason for the extremely low solubility of NaCl in benzene (C6H6 ) is the ________. ...

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An aqueous solution at 25.0C contains H+ = 0.085 M. What is the pH of the solution? A) 1.07 B) ...

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KNO3 and NaNO3 are also known as ________. Fill in the blank(s) with correct ...

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The dissociation energy of N2 is 941 kJ/mol. The maximum wavelength of light that has enough energy ...

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A 0.133 mol sample of gas in a 525 mL container has a pressure of 312 torr. The temperature of the ...

Started by Zoey63294

When 1.50 mol of CH4(g) reacts with excess Cl2(g) at constant pressure according to the chemical ...

Started by savannahhooper

How many different types of resonance structures can be drawn for the ion SO32- where all atoms ...

Started by sammy

The mass of nitrogen dioxide contained in a 4.32 L vessel at 48 C and 141600 Pa is ________ g. A) ...

Started by magmichele12

The ionization energy of NO is 890 kJ/mol: NO + hv NO+ + e- The maximum wavelength of light capable ...

Started by MirandaLo

Calculate the molarity of hydroxide ion in an aqueous solution that has a pOH of 3.00. A) 1.0 ...

Started by Collmarie

What is the primary commercial source of elemental nitrogen? What will be an ideal ...

Started by Anajune7

The density of ammonia gas in a 4.32 L container at 837 torr and 45.0 C is ________ g/L. A) 3.86 ...

Started by SAVANNAHHOOPER23

What group 5A element is the most metallic? What will be an ideal ...

Started by berenicecastro

The molarity (M) of an aqueous solution containing 52.5 g of sucrose (C12H22O11 ) in 35.5 mL of ...

Started by Bob-Dole