638 Answered Questions for the topic AP chemistry

Ap Chemistry Chemistry

01/10/21

Put these four molecules in INCREASING order (from lowest to highest) of predicted melting and boiling point temperatures:
Methane (CH4), ethane (C2H6), propane (C3H8) and butane (C4H10) are all substances that are used as combustible fuels. Put these four molecules in INCREASING order (from lowest to highest) of... more
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Ap Chemistry Chemistry

01/10/21

Which compound has the lowest normal boiling point? Why?
Which compound has the lowest normal boiling point? Why?a) HCIb) H2Sc) NH3d) CH4Which of the following substances is the best conductor of electricity? Why?a) H2O (g)b) H2O (s)c) NaCI (s)d) NaCI (l)
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Ap Chemistry Chemistry

01/09/21

Question about lewis diagrams and its relationship to boiling point of atoms
a) Sketch Lewis diagrams for H2 and F2.b) Boiling point is related to the structure of a substance. What, if anything, about the structures of H2 and F2you drew could account for the differences in... more
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Ap Chemistry Chemistry

01/09/21

Help with chemistry question about polarity of molecules and IMAFs
Carbon dioxide (CO2) has a boiling point of -57C and water (H2O) has a boiling point of 100C. A molecule of CO2 has a mass of 44.0 amu and a molecule of H2O has a mass of 18.0 amu. Why then, if... more
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Ap Chemistry Chemistry

01/09/21

What type of bonds are found in the substance Ammonium Hydroxide?

What type of bonds are found in the substance Ammonium Hydroxide? Explain how you came to the answer and why.
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Ap Chemistry Chemistry

01/09/21

Explain, in terms of stable octets of each bonded atom, why fluorine atoms form diatomic molecules when not bonded with other elements, instead of just remaining individual atoms:
Explain, in terms of stable octets of each bonded atom, why fluorine atoms form diatomicmolecules when not bonded with other elements, instead of just remaining individual atoms:
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Ap Chemistry Chemistry

01/09/21

Which of the following elements form monatomic molecules? Explain.
Which of the following elements form monatomic molecules? Explain.a) Nab) Nc) Ned) NbWhich of the following elements form diatomic molecules? Explain.a) Nab) Nc) Ned) Nb
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Ap Chemistry Chemistry

01/09/21

Is C6H12O6 formed by covalent bonding?
Is C6H12O6 formed by covalent bonding?a) How are you able to tell this? Explain in terms of types of elements.b) How are you able to tell this? Explain in terms of electronegativity differences.
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Ap Chemistry Chemistry Physics

01/09/21

HELPPP URGENT plz covert these plz
1. 1.29 x 10^24 atoms of HF to grams 2. 3.14g of H2O to molecules3. 2.79g NH3 to atoms4. 4.90 mol Al2O3 to grams. To atoms5. 3.56g of Cu to atoms6. Mass of a sample of NO2 with 1.54 x 10^24 atoms.
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Ap Chemistry Chemistry Physics

01/08/21

plz covert thesee URGENT all of them plz
convert1. 1.29 x 10^24 atoms of HF to grams2. 3.14g of H2O to molecules3. 2.79g NH3 to atoms4. 4.90 mol Al2O3 to grams. To atoms5. 3.56g of Cu to atom6. Mass of a sample of NO2 with 1.54 x 10^24... more
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Ap Chemistry Chemistry

01/08/21

Helppp PLZ urgenttt
convert1. 1.29 x 10^24 atoms of HF to grams2. 3.14g of H2O to molecules3. 2.79g NH3 to atoms4. 4.90 mol Al2O3 to grams. To atoms5. 3.56g of Cu to atoms6. Mass of a sample of NO2 with 1.54 x 10^24... more
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Ap Chemistry Chemistry

01/08/21

Helppp PLZ urgenttt
convert 1. 1.29 x 10^24 atoms of HF to grams2. 3.14g of H2O to molecules3. 2.79g NH3 to atoms4. 4.90 mol Al2O3 to grams. To atoms5. 3.56g of Cu to atoms6. Mass of a sample of NO2 with 1.54 x 10^24... more
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Ap Chemistry

12/28/20

2CO(g) + O2(g) -> 2CO2(g)
2.0 mol of CO(g) and 2.0 mol of O2(g) are pumped into a rigid, evacuated 4.0L container, where they react to form CO2(g), as shown above. Which of the following values does NOT represent a... more
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Ap Chemistry

12/17/20

How many molecules of CH3 COOH are contained within 43.4 g of acetic acid?
How many molecules of CH
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Ap Chemistry

12/16/20

How do determine the solubility product constant for Aluminum hydroxide?
One mole of Al2O3 is added to water to make exactly 1.00 liters of solution.(a) Write the expression for the solubility product constant.(b) Using the given above and the expression written in (a)... more
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12/13/20

Determine the total voltage produced by Manganese(II) bromide and potassium metal
Show ALL work. Use redox reaction to derive
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12/13/20

Determine the Total voltage produced by Gold(III)acetate and calcium metal
Must show all work. Derive using redox reactions.
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Ap Chemistry Chemistry

12/06/20

How do you know that all the Pb(NO3)2 is used up at equilibrium?
The whole question: A saturated solution of lead iodate in pure water has a lead ion concentration of 4.0 * 10^-5 mole per liter at 20 degrees C. To 333 milliliters of a 0.120 molar Pb(NO3)2... more
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12/01/20

Gas Laws question: same pressure for 5 gases, determine largest number of moles, Please help!
You have a container filled with a mixture of five gases: He, H2, O2, CO2, and N2. The pressure of each gas is identical, resulting in the overall pressure of 100.0... more
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Ap Chemistry Math Chemistry

11/30/20

In an experiment, a student collects 107 mL of H2 over water at a pressure of 104.8 kPa and a temperature of 30°C. How many grams of H2 are present?
A) 0.024 gB) 4.00 gC) 0.04 gD) 0 049 gAnd why
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Ap Chemistry

10/30/20

AP Chemistry. PLEASE HELP
Standardization of NaOH: A primary standard called potassium hydrogen phthalate (KHP) is used to determine the exact molarity of a solution of base. KHP is a monoprotic weak acid (Molar Mass =... more
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Ap Chemistry Chemistry

10/10/20

Please someone help
Problem: 0.1156 g CxHyNz reacts with oxygen, O2, to give 0.1638 g CO2, 0.1676 g H2O, and N2. Find the empirical formula of the organic compound. CxHyNz + O2 → CO2 + H2O + N2 To determine the... more
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10/01/20

Urgent: Calculate the minimum mass of hydrobromic acid that could be left over by the chemical reaction.

Aqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O.Suppose 45. g of hydrobromic acid is mixed with 16.6 g of sodium... more
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09/30/20

Calculate the largest amount of H2O that could be produced.
Hydrogen (H2) gas and oxygen (O2) gas react to form water H2O vapor. Suppose you have 1.0 mol of H2 and 5.0 mol of O2 in a reactor.Calculate the largest amount of H2O that could be produced.Round... more
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09/29/20

What is the density of the iron nugget?
An iron nugget weighing 8.14 g was placed in a graduated cylinder and 25.1 cm3 of water was added to the cylinder. The total volume after adding the water was 26.2 cm3.What is the density of the... more
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