J.R. S.

Some types of cancer can be effectively treated by a compound called cisplatin, PtCl2(NH3)2. Cisplatin is produced synthetically by the following balanced equation:K2PtCl4 + 2NH3 → 2KCl +... more

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Chemistry Biochemistry

12/08/22

Calculate the absorbance of AB in the following Question.

The equilibrium constant for the reaction: AB→←A+B is 5 x 10-4 moles/L. The complex AB has maximum absorbance at 370 nm with a molar absorption coefficient of 300. Calculate theabsorbance at 370... more

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Chemistry

12/08/22

What concentration of SO3^-2 is in equilibrium with Ag2SO3(s) and 9.90×10−3 M Ag+ ?

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Chemistry

12/07/22

What volume in liters of fluorine gas is needed to form 953 L of sulfur hexafluoride gas if the following reaction takes place at 2.00 atm and 273.15 K: S(s) + 3F₂(g) → SF₆ (g)?

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Answers •1

Chemistry

12/07/22

2H2O(l) + N2H4(l) -----> 4H2O(g) + N2(g) determine how many grams of N2 are produced from the reaction of 8.37g of H2O2 and 5.74g of N2H4.

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Chemistry

12/07/22

Find the percent composition of each element in Ca(ClO4)2

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Chemistry

12/07/22

What is the solubility of La(IO₃)₃ in a solution that contains 0.100 M IO₃⁻ ions? (Ksp of La(IO₃)₃ is 7.5 × 10⁻¹²)

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Chemistry

12/07/22

What is the maximum concentration of Ag⁺ that can be added to a 0.00300 M solution of Na₂CO₃ before a precipitate will form? (Ksp for Ag₂CO₃ is 8.10 × 10⁻¹²)

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Chemistry

12/06/22

A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.55

Determine the concentration of C6H5NH+3 in the solution if the concentration of C6H5NH2 is 0.260 M. The p𝐾b of aniline is 9.13.[C6H5NH+3]= 0.054 (solved)i cant seem to solve part b which is B.... more

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Chemistry

12/06/22

3NaHCO3 + C6H8O7 → 3CO2 + 3H2O+ Na3C6H5O7, how many grams of carbon dioxide are formed as the solution fizzes?

Antacids, such as Alka-Seltzer, use the reaction of sodium bicarbonate with citric acid in water solution to produce a fizz as follows:3NaHCO3 + C6H8O7 → 3CO2 + 3H2O+ Na3C6H5O7If 3.88 g of the... more

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Chemistry

12/06/22

Calorimetry Question

In a calorimeter, 50.00 mL of 2.50 M NaOH was combined with 50.00 mL of 2.25 M HCl to form a solution. The temperature of the solution went from 20.0*C to 35.0*C. The heat capacity of the solution... more

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Chemistry

12/06/22

At 25 °C, only 0.0810 mol of the generic salt AB is soluble in 1.00 L of water. What is the 𝐾sp of the salt at 25 °C? AB(s)↽−−⇀A+(aq)+B−(aq) AB ( s ) ↽ − − ⇀ A + ( aq ) + B − ( aq )

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Chemistry

12/05/22

f a buffer solution is 0.200 M in a weak acid ( 𝐾a=1.9×10−5) and 0.600 M in its conjugate base, what is the pH?

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Chemistry

12/05/22

How many atoms of oxygen are there in 26.45 g of molybdium(IV) phosphate?

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Chemistry

12/05/22

How to calculate energy released

Given the thermochemical equation for photosynthesis,6H2O(l) + 6CO2(g) → C6H12O6(s) + 6O2(g) ΔH = +3,091 kJ/molcalculate the energy released from burning 32.1 g of C6H12O6.

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Chemistry Organic Chemistry

12/05/22

Chemistry question

The p𝐾a of hypochlorous acid is 7.530 A 57.0 mL solution of 0.136 M sodium hypochlorite (NaOCl) is titrated with 0.261 M HCl Calculate the pH of the solution after the addition of 10.0 mL of 0.261... more

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Chemistry

12/05/22

The concentrations of lead and carbonate ions in a saturated aqueous solution of PbCO3 are both 1.82×10−7 M . Calculate the solubility product, 𝐾sp , for PbCO3 .

The concentrations of lead and carbonate ions in a saturated aqueous solution of PbCO3PbCO3 are both 1.82×10−7 M1.82×10−7 M. Calculate the solubility product, Ksp, for PbCO3PbCO3.Ksp = ________

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Chemistry

12/05/22

Calculate the concentration of B at equilibrium.

At a certain temperature, the equilibrium constant for the chemical reaction shown is 4.07×10−34.07×10−3. At equilibrium, the concentration of AB is 2.1252.125 M, the concentration of BC... more

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Science Chemistry

12/05/22

Can someone please help me solve this question

By observing the decomposition reaction, as the unknown mixture was being heated a liquid was formed, towards the end of the heating, the liquid was no longer present only a solid is observed.... more

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Chemistry

12/05/22

Chemical Reactions

75.0 grams of aqueous sulfuric acid was reacted with 99.0 g grams of aqueous sodium hydroxide to create aqueous sodium sulfate and liquid water. How many grams of sodium sulfate would be formed?

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Chemistry

12/05/22

Compounds decomposing

For the reaction where H2O2 (aq) decomposes into liquid water and oxygen gas. How many grams of oxygen gas will be produced from 750.0 L of 100 mM H2O2?

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Chemistry

12/05/22

General Chemistry

Ethanol (C3H6O) is a liquid at room temperature : 1 mole = 6.02 x 1023 atoms Density of C3H6O = 0.815 g/mLWhat is the molar mass of C3H6O = _____ g/mol How many moles of ethanol are... more

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Determine the Electron Configuration, Orbital Notation, and Four Quantum Number of the ff:

Balance this equation Mn2+(aq)+O2(g) arrow MnO2(s) in basic solution

How do you convert compounds into Chemical Formulas?

K2PtCl4 + 2NH3 → 2KCl + PtCl2(NH3)2 Determine the mass of cisplatin produced from 2.5 g K2PtCl4 reacting with excess ammonia

Calculate the absorbance of AB in the following Question.

What concentration of SO3^-2 is in equilibrium with Ag2SO3(s) and 9.90×10−3 M Ag+ ?

What volume in liters of fluorine gas is needed to form 953 L of sulfur hexafluoride gas if the following reaction takes place at 2.00 atm and 273.15 K: S(s) + 3F₂(g) → SF₆ (g)?

2H2O(l) + N2H4(l) -----> 4H2O(g) + N2(g) determine how many grams of N2 are produced from the reaction of 8.37g of H2O2 and 5.74g of N2H4.

Find the percent composition of each element in Ca(ClO4)2

What is the solubility of La(IO₃)₃ in a solution that contains 0.100 M IO₃⁻ ions? (Ksp of La(IO₃)₃ is 7.5 × 10⁻¹²)

What is the maximum concentration of Ag⁺ that can be added to a 0.00300 M solution of Na₂CO₃ before a precipitate will form? (Ksp for Ag₂CO₃ is 8.10 × 10⁻¹²)

A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.55

3NaHCO3 + C6H8O7 → 3CO2 + 3H2O+ Na3C6H5O7, how many grams of carbon dioxide are formed as the solution fizzes?

Calorimetry Question

At 25 °C, only 0.0810 mol of the generic salt AB is soluble in 1.00 L of water. What is the 𝐾sp of the salt at 25 °C? AB(s)↽−−⇀A+(aq)+B−(aq) AB ( s ) ↽ − − ⇀ A + ( aq ) + B − ( aq )

f a buffer solution is 0.200 M in a weak acid ( 𝐾a=1.9×10−5) and 0.600 M in its conjugate base, what is the pH?

How many atoms of oxygen are there in 26.45 g of molybdium(IV) phosphate?

How to calculate energy released

Chemistry question

The concentrations of lead and carbonate ions in a saturated aqueous solution of PbCO3 are both 1.82×10−7 M . Calculate the solubility product, 𝐾sp , for PbCO3 .

Calculate the concentration of B at equilibrium.

Can someone please help me solve this question

Chemical Reactions

Compounds decomposing

General Chemistry

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

OR

J.R. S.

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Emmersion

Determine the Electron Configuration, Orbital Notation, and Four Quantum Number of the ff:

Balance this equation Mn2+(aq)+O2​(g) arrow MnO2​(s) in basic solution

How do you convert compounds into Chemical Formulas?

K2PtCl4 + 2NH3 → 2KCl + PtCl2(NH3)2 Determine the mass of cisplatin produced from 2.5 g K2PtCl4 reacting with excess ammonia

Calculate the absorbance of AB in the following Question.

What concentration of SO3^-2 is in equilibrium with Ag2SO3(s) and 9.90×10−3 M Ag+ ?

What volume in liters of fluorine gas is needed to form 953 L of sulfur hexafluoride gas if the following reaction takes place at 2.00 atm and 273.15 K: S(s) + 3F₂(g) → SF₆ (g)?

2H2O(l) + N2H4(l) -----> 4H2O(g) + N2(g) determine how many grams of N2 are produced from the reaction of 8.37g of H2O2 and 5.74g of N2H4.

Find the percent composition of each element in Ca(ClO4)2

What is the solubility of La(IO₃)₃ in a solution that contains 0.100 M IO₃⁻ ions? (Ksp of La(IO₃)₃ is 7.5 × 10⁻¹²)

What is the maximum concentration of Ag⁺ that can be added to a 0.00300 M solution of Na₂CO₃ before a precipitate will form? (Ksp for Ag₂CO₃ is 8.10 × 10⁻¹²)

A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.55

3NaHCO3 + C6H8O7 → 3CO2 + 3H2O+ Na3C6H5O7, how many grams of carbon dioxide are formed as the solution fizzes?

Calorimetry Question

At 25 °C, only 0.0810 mol of the generic salt AB is soluble in 1.00 L of water. What is the 𝐾sp of the salt at 25 °C? AB(s)↽−−⇀A+(aq)+B−(aq) AB ( s ) ↽ − − ⇀ A + ( aq ) + B − ( aq )

f a buffer solution is 0.200 M in a weak acid ( 𝐾a=1.9×10−5) and 0.600 M in its conjugate base, what is the pH?

How many atoms of oxygen are there in 26.45 g of molybdium(IV) phosphate?

How to calculate energy released

Chemistry question

The concentrations of lead and carbonate ions in a saturated aqueous solution of PbCO3 are both 1.82×10−7 M . Calculate the solubility product, 𝐾sp , for PbCO3 .

Calculate the concentration of B at equilibrium.

Can someone please help me solve this question

Chemical Reactions

Compounds decomposing

General Chemistry

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

OR

J.R. S.

Balance this equation Mn2+(aq)+O2(g) arrow MnO2(s) in basic solution