What is the theoretical yleld of chromium that can be produced by the reaction of 40.0 g of Cr203 with 8.00 g of aluminum according to the chemical equation below? 2AI + Cr203 → Al203+2Cr Multiple Choice 273g 154g 49.9 g 779 30.8 g

Q: Silver nitrate and aluminum chloride react with each other by exchanging anions: 3 AgNO3 (aq) + AlC...

A: Agno3 given 4.22 gram

Q: 12.45 What is osmosis? What is a semipermeable membrane?

A: Answer: Osmosis is a natural phenomenon and it found in plants where xylem sap travels across the pl...

Q: Select the single best answer. Which of the following has more atoms: 3.13 g of hydrogen atoms or 17...

A:

Q: 2. The Henry's law constant for helium gas in water at 30°C is 3.7 x 10-4 M/atm and the constant for...

A: Answer is given below

Q: A mixture of xenon and hydrogen gas is compressed from a volume of 93.0 L to a volume of 89.0 L, whi...

A: Given, Initial volume (Vi) = 93.0 L Final volume (Vf) = 89.0 L Pressure (P) = 75.0 atm Work done on ...

Q: How is the solubility of oxygen in water affected by increasing temperature

A:                                   Answer    How is the solubility of oxygen in water affected by inc...

Q: Noting the curved arrows, draw all the product(s), organic and inorganic, of the following reaction....

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Q: Draw the mjor product of both question with mechanism asap

A: Given structure of reactants. 

Q: Click in the answer box to activate the palette. Determine the empirical formula of a compound conta...

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Q: Provide a chemical formula (AmBn) for the product of the reaction below SH [0]

A: -SH functional group represent a thiol which undergo oxidation to form disulfide.

Q: reaction was monitored as a function of time: AB→A+B A plot of 1/[AB] versus time yields a straigh...

A: AB-->A + B  Slope = 0.052 mol.L^-1.s^-1 Initial concentration = 0.52 mol.L^-1  Final concentratio...

Q: Determine the [OH ], [H3O*], pH and pOH in a 1.0 x 103 M Ba(OH)2 solution.

A:

Q: Calculate the volume of H2(g) at 273 K and 2.00 atm that will be formed when 275 ml of 0.725 M HCI s...

A: Volume of HCl=275mL = 0.275 L (1 L = 1000 ml) Molarity of HCl = 0.725M Temperature =273K Pressure =2...

Q: What mass of C6H1206 (glucose) is needed to prepare 450. mL of a 0.650 M solution of glucose in wate...

A:

Q: A chemist measures the amount of chlorine gas produced during an experiment. She finds that 1.35 g o...

A: Calculating number of moles:

Q: The combustion of pentane produces heat according to the equation C5H12(1) + 802(g)→ 5CO2(9) + 6H20(...

A:

Q: What is the pOH of a solution that has a pH of 9.9?

A: Here we have pH = 9.9 We have to find pOH .

Q: Argon gas is collected by water displacement in an eudiometer. The gas volume is 29.2 mL. The liquid...

A: Given: Gas volume (V1) = 29.2 mL Temperature (T1) = 21 oC = 294 K Total pressure of Argon gas (P1) =...

Q: Part A As a technician in a large pharmaceutical research firm, you need to produce 100. mL of 1.00 ...

A:

Q: If a red and green solution are mixed and an orange mixture esults, is this evidence of a physical c...

A: Physical change is the change in which physical property of the compound changes and it is reversibl...

Q: Be sure to answer all parts. How many moles of cobalt (Co) atoms are there in 9.00 x 10° (9.00 billi...

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Q: mole fraction: sulfur hexafluoride partial pressure: atm mole fraction: carbon monoxide partial pres...

A:

Q: Consider the following reactions and associated equilibrium constants: A(g) C(g) K. = 1.700 *104 D(g...

A: Answer: This is the question based on the in depth understanding of equilibrium constant expression.

Q: . For a water sample with a bicarbonate ion concentration of 50 mg/L and a CO2 content of 30 mg/L: ...

A:

Q: Determine the heat of reaction for the decomposition of calcium carbonate CaCO3(g) → CaO(s) + CO2(g)...

A: Determine the heat of reaction for the decomposition of calcium carbonate CaCO3(s) → CaO(s) + CO2(g)...

Q: Mercury is present in Lake Miramar at a total concentration of 20.4 ng/L. Lab tests suggest an avera...

A: The partition coefficient can be calculated as: K=CHg×CpCdissolve          (1) Where CHg is the conc...

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of t...

A: Ionic compounds dissolve in water to form cations and anions. In the aqueous solution, the concentra...

Q: 1. As you can see in Fig. 1(C), there is an interaction between A475 on SARS-CoV-2 and S19 on ACE-2....

A:

Q: Enter your answer in the provided box. 12 The atomic masses of the two stable isotopes of carbon, 13...

A: Given,  12C6 isotope has 98.90 %  molar mass = 12 amu And 13C6 isotope has 1.100 %  Molar mass = 13....

Q: 25

A: Calculate the standard enthalpy change for the reaction ., 2C8H18 (l) + 17O2 (g) -> 16CO (g) + 18...

Q: 2. If a sample known to be about 17190 years old has 400 carbon-14 atoms, how many atoms were in the...

A: When organism died absorption of C-14 stops and starts diminishing. The radioactive decay follows fi...

Q: A chemist measures the amount of nitrogen gas produced during an experiment. He finds that 87.8 g of...

A:

Q: What is the pOH of a solution that has a pH of 5.3?

A:                                 Answer Calculate POH from PH    we know that  POH +  PH  =  14  

Q: Enter your answer in the provided box. The reaction between nitric oxide (NO) and oxygen to form nit...

A: The given reaction is  2NO (g) + O2 (g) - - > 2NO2 Number of moles of NO2 produced = mass/molar m...

Q: A bicyclist is stopped at the entrance to a valley, as sketched below: E A D B Where would the bicyc...

A: Answer: This question is based on the conservation of energy according to which total energy ( which...

Q: Which of the following statements does NOT explain why KHP is a suitable primary standard in an acid...

A:   KHP is a suitable primary standard in an acid-base titration. Here we have to find out the stateme...

Q: The data below were collected for the following reaction: CH3Cl(g)+3Cl2(g)→CCl4(g)+3HCl(g) [CH3Cl]...

A: Recall the reaction, CH3Cl(g) + 3Cl2(g) -----> CCl4(g) + 3HCl(g)  Rate=K[CH3Cl]a [Cl2]b --------(...

Q: Write the net balanced equation for the reaction of ferrocene and (NH4)2Ce(NO3)6. What is the role o...

A: Ferrocene is an organometallic compound consisting of 2 cyclopentadienyl rings bound to a central me...

Q: Which of the following occurs when products are added to a chemical reaction in solution or the gas ...

A: -> when reactant or product added then it follow Le-chatelier principle.    

Q: Pentaborane B5H9(s) burns vigorously in 02 to give B203(s) and H20(1). Calculate AHrxn for the combu...

A:

Q: Which mineral is the heaviest metal required for the production of a hormone which affects the basal...

A:

Q: PHOTOSYNTHETIC PIGMENTS 1.6 0.7 1.4 0.6 1.2E Soret 0.5 HA 0.4 0.8 COOCH 0.3 0.6 phytyl bacteriochlor...

A: Higher the wavelength shorter will be the energy gap between the two energy levels  

Q: Daniel '18) Will a precipitate form if 5.0 g of AgBr are added to 50.0 mL of 0.60 M HCI? r110) 4 bee...

A:

Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic i...

A:

Q: Calculate the change in pH that results from adding 0.160 mol NaNO2 to 1.00 L of

A: Ka = 7.2 ×10-4  pKa = -log(Ka)  = -log(7.2×10-4) = 3.14 initially, weak acid HNO2 is present  So,  p...

Q: A 0.5228 g sample of an unknown monoprotic acid was titrated with 9.96x10-2 mol L-1 NaOH The equival...

A:

Q: What is the minimum concentration of phosphate ions required to precipitate silver phosphate in a 0....

A: Molarity of AgNO3 = 0.010 M Ksp for silver phosphate = 2.83 × 10^-18  

Q: 5.0 g of solid silver iodide (Agl) is added to a 100.0 mL solution at room temperature and given suf...

A:                                                   AgI (s)  ⇔  Ag+  +   I-                           ...

Q: Calculate the change in pH when 0.0017 mol of HNO3 is added to 0.100 L of a buffer solution that is ...

A: Answer: In this question we have to calculate the pH of the buffer solution before and after the add...

Q: Ammonium perchlorate (NH,CIo,) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts wi...

A: Mass of NH4ClO3 = 4.0 g MW of NH4ClO3 = 117.5 g/mol