Calculate the amount of heat released
Calculate the amount of heat released when 50g of steam at 100 degrees celsius hits the skin, condenses, and cools to a body temp of 37 degrees celsius.
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24.6 ml volume of HCl solution reacts completely with a solid sample of magnesium carbonate, producing 183 ml of gaseous product (there is only one gaseous product from the reaction). The gaseous product is collected over water at 24.0C and 738 to
If I have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees C in a balloon, what is the volume of the balloon? (Round to one decimal place.)
If the activation energy is 210 Kj/mol, calculate the arrhenius preexpnential factor and determine the rate constant at 600 K.
if 100 mL of 0.100 M NaCl is added to 100 mL of .01 M NaCl, what is the concentration of Na ions in the final solution?"
Strawberries contain about 15 wt% solids and 85 wt% water. To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Cal
Electrolysis of molten NaCl in a Downs cell is the major isolation step in the production of sodium metal. Suppose 250. g of Na metal is formed. How many coulombs are required?
Microwave ovens use microwave radiation to heat food. How many photons are required to heat 200. mL of coffee from 19°C to 64°C?
Sample of aluminum chloride increased in temperature by 3.5 K when the sample absorbed 167 J of energy. Calculate the number of moles of aluminum chloride in the sample. the C for aluminum chloride is 92 J/mol*K.
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A client has a habit of mouthbreathing involving teeth 13-23. The tissue is red, swollen with a loss of stippling in that area and the radiographs reveal
Is training for first responders (law enforcement) an adequate enough response to treat with cognitive impairments and other brain disorder
Question: What is the BEST indicator for diagnosis of implant failure? Question options: presence of mobility pain around the implant plaque
Home irrigation devices designed for targeting direct subgingival delivery have a positive effect on subgingival microorganisms at probing
A client presents with a lateral radiolucency on the mesial root of tooth 46. There is a 6 mm pocket in that location and bleeding on probing
The dental hygienist uses a handheld syringe to irrigate the posterior molars following a deep debridement of 6 mm pockets.
Question: A client is using a toothpaste with postassium nitrate. What is the role of the potassium nitrate in this toothpaste?