Heat must be removed to cool and freeze the water
An ice cube tray holds 515 g water. If the water initially has a temperature of 21°C, how many kilojoules of heat must be removed to cool and freeze the water at 0°C?
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The leathal inhalation does of sarin for a 200 pound person has been determined to be .0015mg. Determine the LD50 of Sarin that researchers used to calculate the leathal inhalation dose?
A steel tape is used to measure a distance of 20 m at a 10 0C. Assuming that the tape will measure the true distance when the temperature is 20 0C.
A company has two buildings that are 50 meters apart. Between the buildings is private land owned by the company. A large walk-through tunnel connects the two buildings. In one building is a collection of 30 computer workstations, and in the o
The cadmium ion was then masked by using an HCN/NaCN buffer to bring the pH of a second 25.00mL aliquot to 10; 32.70mL of the 0.01080M EDTA standard was used in this titration and involved only the Pb^2+. Calculate the respective percentages of le
What volume of O2 will form in 66.4 seconds at a barometric pressure of 703.0 . (The vapor pressure of water at this temperature is 17.5 )
A 155 gram sample of copper was heated to 150 degrees Celsius then placed into 250 gram of water at 19.8 degrees Celsius. Calculate the final temperature of the mixture.
A 12 kN force is exerted on a rocker arm. The moment of inertia (I) of the crosssection with respect to the neutral-axis is 43.3x10-9 m4.
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Most primates have good color vision. According to the video, color vision is particularly important to howler monkeys (genus: Alouatta) because
A wildlife conservation organization introduced a program to protect an endangered bird species by restricting human activity in certain areas
Discuss how agonal changes can affect the postmortem condition of the body. State the order of decomposition of body compounds
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