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Question- A boiler is used to heat steam at a brewery to be used in various applications such as heating water to brew the beer and sanitizing the brewing tanks. 87.0% of the heat produced by the boiler is used to create saturated steam at 20.0 bars (absolute) from liquid water at 24° C. If 175 m3/h of steam is needed, what rate of heat does the boiler output?
I want you to explain the chemistry in this problem
If it takes 66.8 min for the concentration of a reactant to drop to 20.0% of its initial value in a first-order reaction, what is the rate constant for the reaction in the units min-1?
Assume that the manganese does not participate in any redox reactions but remains wholly as Mn2+. Solve manually using thermodyanmic data.
A box contains a mixture of small copper spheres as well as small lead spheres. The total volume of both metals is calculated by the displacement of water to be 427 cm3 and the total mass is 4.36 kg. Explain what % of the spheres is copper
A sample of natural gas at STP is 78.0 % CH4 and 22.0% C2H6 by volume. How much heat is produced from combustion of 1.60 L of this mixture. Assume ideal gas behavior and assume that the products of the combustion are CO2 (g) and H2O (l).
Calculate the pH of a solution prepared by mixing 0.0800 mol of chloroacetic acid plus 0.0400 mol of sodium chloroacetate in 1.04 L of water. (pKa of chloroacetic acid = 2.865.)
Calculate the equilibrium constant, Ke, for the reaction assuming the concentrations for reactants and products are the following
when copper(II) hydroxide is heated it dehydrates, losing one molecule of water and forming copper(II) oxide.
A sample of zinc nitride, Zn3N2, contains 39.0 g of zinc. How many nitride ions are present
A large flask with a volume of 936 mL is evacuated and found to have a mass of 134.66g. It is then filled to a pressure of 0.967atm at 31 degrees C with a gas of unknown molar mass and then reweighed to give a new mass of 153.81g. What is the mola..
the hydrated radius of hemoglobin is found to be 3.55 nm. How many water molecules hydrate a hemoglobin molecule?
Human and chameleon insulins have the same amino acid sequence, with the exception of six amino acids, as shown below. Is the pI of human insulin lower, higher, or the same as that of chameleon insulin?
You are checking the accuracy of a volumetric flask marked 10.00 mL. You measure the volume of water contained in the flask by measuring the mass of the empty flask
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