How much energy would need from the microwave
Suppose you wanted to heat a mug of water (250 mL) from room temperature 25 C to 100 C to make a cup of tea. How much energy (in units of calories and joules) would you need from your microwave?
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a 150 ml buffer solution containing 0.100 M hydrocyanic acid (HCN ka=6.2 x 10^-10) and .100 M soudium cyanide (NaCN) has 30.0 mL of .120 M KOH added to it. What is the pH of the solution after the KOH has been added?
Calculate the amount of heat required to completely sublime 34.0g of solid dry ice at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3KJ/mol .
using percent yield, how many grams of Aluminium must be used to react with an excess of hydrogen phosphate to produce 35.8g of aluminum phosphate?
Sodium benzoate (C6H5COONa) is used as a food preservative. Calculate the pH of a 0.050 M solution of this salt. Ka for benzoic acid is 6.5 x 10-5
A rigid container of O2 has a pressure of 340 kPa at a temperature of 713 K. What is the pressure at 273 K?
A layer of clay 4m thick lies between two layers of sand each 4m thick, the top of the upper layer of sand being ground level. The water table is 2m below ground level but the lower layer of sand is under artesian pressure.
Making ice cream involves surrounding the ice cream canister with a bath of salted ice water. To get the mix to freeze at 7.00ºC, how many grams of salt (NaCl; molar mass = 58) will you need to add to 3.5 kg of ice water bath? (Kf of water =
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Physicians should review the presenting symptom onset and exposure to water (e.g., swimming) as well as any trauma to the canal and history of other skin condit
Summarize the population (number, demographics, etc.) of uninsured people in the U.S. Discuss the socioeconomic consequences of having a large uninsured populat
Explain the specific socioeconomic, spiritual, lifestyle, and other cultural factors associated with the patient you were assigned. Be specific.
Besides helping to prevent pregnancy, what is another great benefit to barrier methods of birth control, like condoms and dental dams?
In database nutritional analysis, when validating nutritional data, what are the component of the total fat?
Question: What makes the sources of errors in nutritional analysis in database? Question options: Inaccurate recipe yield Processing losses/gains
Question: Criteria for nutrient content claims on labels include: Question options: Conditions related to the food product and labelling requirement