J.R. S.

10/25/23

What is the concentration of the HNO3 solution?

Consider the neutralization reaction.2 HNO3(aq) + Ba(OH)2 (aq) —> 2 H2O (I) + Ba(NO3)2 (aq)A 0.120 L sample of an unknown HNO3 solution required 37.9 mL of 0.250 M Ba(OH)2 for complete... more

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Chemistry

10/25/23

what is the volume of the solution in milliliters?

If 3.90g of CuNO3 is dissolved in water to make a 0.840 M solution, what is the volume of the solution in milliliters? Volume: ? mL

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Chemistry

10/24/23

does polarity matter for real gasses?

like does polarity affect the molecule from being most like an ideal gas? or do we just look at the molar masses of the compound

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Chemistry

10/24/23

A potassium chromate solution is added to a copper (II) nitrate solution to produce potassium nitrate and copper (II) chromate

A potassium chromate solution is added to a copper (II) nitrate solution to produce potassium nitrate and copper (II) chromate UNBALANCED CHEMICAL equation

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Chemistry

10/24/23

how many moles of calcium carbonate are produced from 8.0 moles of sodium carbonate?

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Chemistry

10/24/23

MgCl 2 (aq)+2 NaOH(aq) →Mg(OH) 2 (s)+2 NaCl(aq) f 0.264 MMgC*l_{2} reacts with a 45.31 of 0.759 M to produce Mg(OH) 2 and NaCl calculate the mass of Mg(OH)2 that can be produced

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Chemistry

10/24/23

Could someone help me please

Zinc reacts with hydrochloric acid according to the reaction equation shown. Zn(s) + 2 HCI(ag) - > ZnCl2(aq) + H2(g) How many milliliters of 6.50 M HCl(ag) are required to react with 9.35 g of... more

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Chemistry

10/22/23

chemistry pressure

PCl₅(g) ⇌ PCl₃(g) + Cl₂(g) Kp = 1.45 × 10⁻⁴ at 160 °C. A 1.00 L vessel at 160 °C is filled with PCl₅(g) at an initial pressure of 3.75 atm and allowed to come to equilibrium. What will be the... more

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Chemistry

10/22/23

A fertilizer contains 55.1% CH,N,O (urea), 26.8% KNO, and 14.8% (NH),HPO, by mass.How much fertilizer should someone apply to provide 2.00 g N to a plant?

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Chemistry

10/21/23

Calculate the solubility at 25°C of CuBr in pure water and in 0.30M NaCN . You'll probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits.

Calculate the solubility at 25°C of CuBr in pure water and in 0.30M NaCN. You'll probably find some useful data in the ALEKS Data resource.Round your answer to 2 significant digits.

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Chemistry

10/21/23

Calculate the solubility at 25°C of CuBr in pure water and in 0.30M NaCN . You'll probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits.

Calculate the solubility at 25°C of CuBr in pure water and in 0.30M NaCN. You'll probably find some useful data in the ALEKS Data resource.Round your answer to 2 significant digits.

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Chemistry

10/20/23

HCN is a weak acid (Ka = 6.20 x 10-10), so the salt, KCN, acts as a weak base. What is the pH of a solution that is 0.0315 M in KCN at 25 °C?

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Chemistry

10/20/23

Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900 atm N2 and 0.500 atm H2 at 648 K.

The value of Kp for the reaction below is is 4.30 × 10–4 at 648 K.3H2(g)+N2(g)2NH3(g)Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900 atm... more

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Chemistry

10/20/23

Calculate the equilibrium partial pressure of CO if initially PCO2 = 1.32 atm and PCO = 4.85 atm. Pure graphite is present initially and when equilibrium is achieved.

Making CO from CO2 is a potential energy source. The value of Kp for the reaction is is 1.50 at 700.0°C.CO2(g)+C(s)2CO(g)A. Calculate the equilibrium partial pressure of CO if initially... more

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Chemistry

10/20/23

If a reaction vessel at this temperature initially contains 0.500 atm NO2, what will be the partial pressure of NO2 in the vessel when equilibrium has been attained?

The equilibrium constant Kp for the thermal decomposition of NO2 is 6.5 × 10–6 at 450°C.2NO2(g)2NO(g)+O2(g)A. If a reaction vessel at this temperature initially contains 0.500 atm NO2, what... more

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Chemistry

10/20/23

What is the total pressure in the container after equilibrium has been established?

Ammonium carbamate, NH4OCONH2, decomposes to produce ammonia and carbon dioxide. At 25.05 °C the value Kp for this reaction is 0.00402 .NH4OCONH2 reaction ---> 2NH3 + CO2A large amount of solid... more

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Chemistry

10/19/23

Acids and bases

Is Ca^+2 ion neutral, acidic or basic ? I think it’s a strong base because if it’s ionizing with h H2O, it turns to Ca(OH) right? but I’m not completely sure.

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Chemistry

10/19/23

Calculate the pH of a solution

Calculate the pH of a solution containing 38 g Sr(OH)2 dissolved in 125 mL of solution at 298 K.

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Chemistry

10/19/23

Calculate the Kb

1. A 0.135 M solution of a weak base has a pH of 11.23. Determine Kb for the base at 298 Kelvin.

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Chemistry

10/19/23

What is the concentration of Hg 2+ in 500.0 ml of a solution that was originally M Hg 2+ and 0.78 M I-?

The overall formation constant for HgI42- is 1.0 x 10 ^30. 1.0 x 10^30 = HgI42-/(Hg2+)(I-)^4

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Chemistry

10/19/23

You mix a 200.0 ml sample of a solution that is 1.5x10^-3 M Cu(No3)2 with a 250 ml sample of a solution that is 0.20M NH3. After the solution reaches equilibrium, what concentration of Cu2+ remains?

kf Cu(NH3)4 = 1.7 x 10^13 'Equation: Cu2+ (aq) + 4NH3(aq) = Cu(NH3)4 2+(aq)

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Chemistry

10/19/23

Calculate the resulting pH of each of the following mixtures.

Calculate the resulting pH of each of the following mixtures.a. 100. mL of 0.100 M Na3PO4 + 150. mL of 0.180 M HNO3b. 100 mL of 0.200 M NH3 + 50.0 mL of 0.500 M HCl

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Chemistry

10/19/23

Find the pH of the following weak acids or bases: a 0.725 M solution of pyridine (C5H5N). Kb = 1.69 x 10-9

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Chemistry

10/19/23

Determine whether each of the following will form a solution that is acidic, basic, or pH-neutral.

Determine whether each of the following will form a solution that is acidic, basic, or pH-neutral. C2H5NH3NO3 FeCl3K2SO4NaHSO4Ca(NO2)2(CH3CH2)2NH

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Chemistry

10/19/23

What is the pH of a solution prepared by mixing 0.50 L of 0.40 M CH3CO2H with 5.0 L of 0.40 M CH3CO2Na?

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What is the concentration of the HNO3 solution?

what is the volume of the solution in milliliters?

does polarity matter for real gasses?

A potassium chromate solution is added to a copper (II) nitrate solution to produce potassium nitrate and copper (II) chromate

how many moles of calcium carbonate are produced from 8.0 moles of sodium carbonate?

MgCl 2 (aq)+2 NaOH(aq) →Mg(OH) 2 (s)+2 NaCl(aq) f 0.264 MMgC*l_{2} reacts with a 45.31 of 0.759 M to produce Mg(OH) 2 and NaCl calculate the mass of Mg(OH)2 that can be produced

Could someone help me please

chemistry pressure

A fertilizer contains 55.1% CH,N,O (urea), 26.8% KNO, and 14.8% (NH),HPO, by mass.How much fertilizer should someone apply to provide 2.00 g N to a plant?

Calculate the solubility at 25°C of CuBr in pure water and in 0.30M NaCN . You'll probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits.

Calculate the solubility at 25°C of CuBr in pure water and in 0.30M NaCN . You'll probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits.

HCN is a weak acid (Ka = 6.20 x 10-10), so the salt, KCN, acts as a weak base. What is the pH of a solution that is 0.0315 M in KCN at 25 °C?

Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900 atm N2 and 0.500 atm H2 at 648 K.

Calculate the equilibrium partial pressure of CO if initially PCO2 = 1.32 atm and PCO = 4.85 atm. Pure graphite is present initially and when equilibrium is achieved.

If a reaction vessel at this temperature initially contains 0.500 atm NO2, what will be the partial pressure of NO2 in the vessel when equilibrium has been attained?

What is the total pressure in the container after equilibrium has been established?

Acids and bases

Calculate the pH of a solution

Calculate the Kb

What is the concentration of Hg 2+ in 500.0 ml of a solution that was originally M Hg 2+ and 0.78 M I-?

You mix a 200.0 ml sample of a solution that is 1.5x10^-3 M Cu(No3)2 with a 250 ml sample of a solution that is 0.20M NH3. After the solution reaches equilibrium, what concentration of Cu2+ remains?

Calculate the resulting pH of each of the following mixtures.

Find the pH of the following weak acids or bases: a 0.725 M solution of pyridine (C5H5N). Kb = 1.69 x 10-9

Determine whether each of the following will form a solution that is acidic, basic, or pH-neutral.

What is the pH of a solution prepared by mixing 0.50 L of 0.40 M CH3CO2H with 5.0 L of 0.40 M CH3CO2Na?

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J.R. S.

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Emmersion

What is the concentration of the HNO3 solution?

what is the volume of the solution in milliliters?

does polarity matter for real gasses?

A potassium chromate solution is added to a copper (II) nitrate solution to produce potassium nitrate and copper (II) chromate

how many moles of calcium carbonate are produced from 8.0 moles of sodium carbonate?

MgCl 2 (aq)+2 NaOH(aq) →Mg(OH) 2 (s)+2 NaCl(aq) f 0.264 MMgC*l_{2} reacts with a 45.31 of 0.759 M to produce Mg(OH) 2 and NaCl calculate the mass of Mg(OH)2 that can be produced

Could someone help me please

chemistry pressure

A fertilizer contains 55.1% CH,N,O (urea), 26.8% KNO, and 14.8% (NH),HPO, by mass.How much fertilizer should someone apply to provide 2.00 g N to a plant?

Calculate the solubility at 25°C of CuBr in pure water and in 0.30M NaCN . You'll probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits.

Calculate the solubility at 25°C of CuBr in pure water and in 0.30M NaCN . You'll probably find some useful data in the ALEKS Data resource. Round your answer to 2 significant digits.

HCN is a weak acid (Ka = 6.20 x 10-10), so the salt, KCN, acts as a weak base. What is the pH of a solution that is 0.0315 M in KCN at 25 °C?

Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900 atm N2 and 0.500 atm H2 at 648 K.

Calculate the equilibrium partial pressure of CO if initially PCO2 = 1.32 atm and PCO = 4.85 atm. Pure graphite is present initially and when equilibrium is achieved.

If a reaction vessel at this temperature initially contains 0.500 atm NO2, what will be the partial pressure of NO2 in the vessel when equilibrium has been attained?

What is the total pressure in the container after equilibrium has been established?

Acids and bases

Calculate the pH of a solution

Calculate the Kb

What is the concentration of Hg 2+ in 500.0 ml of a solution that was originally M Hg 2+ and 0.78 M I-?

You mix a 200.0 ml sample of a solution that is 1.5x10^-3 M Cu(No3)2 with a 250 ml sample of a solution that is 0.20M NH3. After the solution reaches equilibrium, what concentration of Cu2+ remains?

Calculate the resulting pH of each of the following mixtures.

Find the pH of the following weak acids or bases: a 0.725 M solution of pyridine (C5H5N). Kb = 1.69 x 10-9

Determine whether each of the following will form a solution that is acidic, basic, or pH-neutral.

What is the pH of a solution prepared by mixing 0.50 L of 0.40 M CH3CO2H with 5.0 L of 0.40 M CH3CO2Na?

Still looking for help? Get the right answer, fast.

OR

J.R. S.

A potassium chromate solution is added to a copper (II) nitrate solution to produce potassium nitrate and copper (II) chromate