A metal cube dissolves in acid such that an edge of the cube decreases by 0.30 ​mm/min. How fast is the volume of the cube changing when the edge is 8.20 ​mm?

Q: Iron ore is reduced to pure iron by smelting, during which the iron (III) oxide in the ore reacts…

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Q: A 20-mm cube of copper metal is placed in 250 mL of 12 M nitric acid at 25°C and the reaction below…

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Q: 4. Determine the number of cations in o.125 moles of potassium carbonate. 5. Calculate the number of…

A: 4. Given, moles of potassium carbonate = 0.125 moles moles of calcium carbonate = 0.0075 moles

Q: In the laboratory, hydrogen gas of good purity can most easily be obtained by the reaction of a…

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Q: A student sets up two reactions. Reaction 1 uses 0.120 mol/Lmol/L of reactant, and Reaction 2 uses…

A: First of all we have to write rate expression as follows

Q: Iron ore is reduced to pure iron by smelting, during which the iron (III) oxide in the ore reacts…

A:

Q: A serving of peanut butter contains 204 food calories. The serving contains 9 grams of protein, 16…

A: Given information: Food calories = 204 cal Mass of fat = 16 g Mass of protein = 9 g Mass of…

Q: Part A Find A[F2]/At Express your answer to two significant figures and include the appropriate…

A: Given that -  Cl2(g) + 3F2(g) --------> 2ClF3(g)  ∆[Cl2]/∆t = -0.093 M/s    For the above…

Q: Iron ore is reduced to pure iron by smelting, during which the iron (III) oxide in the ore reacts…

A: The above question involves the fundamentals of chemical…

Q: Consider the following balanced equation: Cl 2(8) + 2 Br (aq) Br 2(aq) + 2 CI (aq) [CI 2] [Br ] Rate…

A: Answer: Power of concentration term of the reactant in the rate law is the order of reaction with…

Q: Coal gasification produces an easily-transportable, clean-burning combination of carbon monoxide and…

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Q: Convert each "b" value from the three Graphs ln(Conc) to the Initial Concentration. Graph Two:  y=…

A: To convert the "b" value from the ln(Conc) versus time graphs to the initial concentration, you need…

Q: A bimolecular chemical reaction is one in which two chemicals react to form another substance.…

A: Given:  x represents the number of molecules of the new substance at time t, dx dt   = k(A…

Q: A pint of premium ice cream can contain 1100 Calories. What mass of fat, in grams and pounds, must…

A: Given the average number of calories produced by combustion of 1 gram of fat is 9.1 calorie But also…

Q: Find the rate of the reaction. Express your answer to two significant figures and include the…

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Q: For the reaction 2N2O5(g) ® 4NO2(g) + O2(g), the following data were collected.   t (minutes)…

A: First, we will find the initial rate of consumption of N2O5(g) by using the concentrations of…

Q: Calcium chloride, CaCl2, and sodium phosphate, Na3PO4 react as follows. 3 CaCl2(aq) + 2 Na3PO4(aq)…

A: The balanced reaction taking place is given as, => 3 CaCl2 (aq) + 2 Na3PO4 (aq) ---------->…

Q: decomposition: PbO2(s)→ Express your answer as a complete chemical equation, with reactants and…

A: The balanced reaction for the above decomposition is as shown below. 2PbO2(s)  ---->  2PbO(s) +…

Q: Experimental data shows that each of the following redox reactions is second order overall: (1)…

A: The concentrations of the reactants raised to some power which contains certain coefficients with…

Q: the following reaction represented by the net ionic equation, the rate of reaction of MnO4– is 0.644…

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Q: The data on the table below was collected at constant temperature for the following reaction. 2A(g)…

A: For reaction, 2A(g) + B(g) + 2C(g)   ------> D(g) + E(g) Rate = k[A]m[B]n[C]pHere, m = order…

Q: A student dissolves 12.6 g of ammonium nitrate (NH4NO3) in 200. g of water in a well-insulated open…

A: * The temperature of the water fall from 22°C to  17.9°C  As the temperature is decreased, means…

Q: Which reaction will not be affected by changing the volume of the container in which it takes place?…

A: Given reactions are :

Q: The reaction between nitrogen monoxide and oxygen is given below: 2 NO(g) + 02(9) - 2 NO2(g) We…

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Q: Calculate the average rate

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Q: Consider the following graph of the reaction 2 SO3(g) 2 2 SO2(g) + O2(g) AH = +197.8 kJ 60 503 502…

A: Actually when the volume of the system is decreased, the concentration of all the gas increases…

Q: According to the following reaction, disappearance rate of oxygen is 5.75 x 10-2 mol L-1 s-1.…

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Q: 13. A mixture of CO(g) and O2lg) is placed in a rigid, sealed container as shown in the particle…

A: Given, Chemical Reaction: 2 CO + O2 ---> 2CO2  Carbon : Black Ball Oxygen : Red ball

Q: For the reaction: A(g)+1/2B(g)→2C(g). A) When C is increasing at a rate of 3.5×10−2 mol L−1 s−1 ,…

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Q: Which of the following reactions, carried out in a closed container, will result in a reduced total…

A: Applying le-chatelier principle.

Q: A compound contains 72% magnesium and 28% nitrogen. What is its empirical formula?

A: 1)  Compound contains 78 % Mg and 28 % N2 Atomic masses of Mg and Nitrogen = 24 and 14        Hence,…

Q: Peroxynitric acid (HOONO2) is an unstable molecule that decomposes to nitric acid and oxygen:…

A: Explanation to the correct answer is given below

Q: In the reaction 2C(s) + O_2(s) ---->  2CO(g), what is the volume ratio between O₂ and CO? a 1:1 b…

A: To solve this problem we will use the Stoichiometry of the given balanced chemical equation and…

Q: Coal gasification produces an easily-transportable, clean-burning combination of carbon monoxide and…

A: Explanation rate = k(reactant)  Rate of reaction depends on concentration of reactant and rate…