Calculate the ph of solution of salt
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
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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?
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?
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 =
Calculate the mass of solid AgNO3 that can be added to 2.0L of a 0.10 M K2CrO4 solution in order to just start precipitation.
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Nash's Trading Post, LLC purchased a 12-month insurance policy on March 1, 2025 for $1800. At March 31, 2025, the adjusting journal entry to record
Addison works for a company and pays for half of her premiums on the insurance that covers employees who need to have sick pay.
1) Explain which hypothesis of PAT is consistent with this accounting decision. 2) Discuss whether this is an example of efficient contracting or of managerial
PART A: What is the variable overhead rate variance? PART B: What is the variable overhead efficiency variance?
1. What is the WIP Ending Balance for February? 2. What is the amount of COGM for February? 3. What is the amount of COGS for February?
Schuepfer Incorporated bases its selling and administrative expense budget on budgeted unit sales.
a 35% personal tax rate on ordinary income, and a 15% personal tax rate on dividends, how much tax will be paid in the first year?