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A customer stops in everyday and gets a 250ml of Sumatran coffee at precisely 60.0°C. You the, the employee need to add enough milk at 5.00°C to drop the temperature of the coffee, initially at 80.0°C, to 60.0 degrees celsius.
Calculate the amount of milk (in ml) that must be added to get to this temperature. Assume that milk and coffee have the specific heat and density as if water. In the following parts, you will remove these simplifications. Solve this problem assuming the density is 1.000 g/ml for milk and coffee and their specific heat capacity is 4.184 J/(g ºC
a reaction is A--->P with the a reaction order of 2/3 with respect to A. What is the integrated rate law expression for this reaction, starting with the differential form of the rate law
how many grams of nitrogen monoxide are produced when copper metal reacts with nitric acid to form water and 5.92 g of
Define what the compound is and explain why the two different reactions give the same organic product. Remember that organic reactions can be explained as Lewis Acid/Base reactions.
How does the chemical structure of the dye relate to the Rf factor. 2. Is TLC an effective way to separate and identify substances. Why or why not
In the television series Star Trek, the transporter beam is a device used to "beam down" people from the Starship Enterprise to another location
Problem- Movement of ammonia from an amino acid to an alpha-keto acid involves a family of enzymes best categorized as
Assume that only a single stream exits the fuel cell. What is the flow rate of each of the species leaving the fuel cell? Not that the flow rates given to correspond a fuel cell rate at approximately 50kW using 2004 technology.
at 986°C is 0.63. A rigid cylinder at that temperature contains 1.2 atm of carbon monoxide, 0.20 atm of water vapor, 0.30 atm of carbon dioxide, and 0.27 atm of hydrogen. Is the system at equilibrium?
Provide the chemical formulas for the two bases that are present in the antacid tablet. In other words, explain what two compounds react with HCL (aq)? Separate substances in a list with a comma.
Which statement best describes the polarity of CF2Br2. The molecule is always nonpolar The molecule is always polar Depending on the arrangement of outer atoms, this molecule can be polar or non polar
how many grams of iron metal do you expect to be produced when 265 grams of an 84.5 percent by mass iron ii nitrate
What would be the best indicator for the titration of 0.20 M CH3COOH titrated with 0.2 M NaOH? (Ka for acetic acid = 1.8 X 10-5) The pH ranges for the color change of some common acid base indicators are given below
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