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A closed container of cubic shape is 15 cm on a side contains four times Avogadro's number of molecules at a temperature of 20.0 degree celsius.Calculate the amount of force exerted by the gas on one of the walls of the vessel.
At temperature of 20 degree Celsius, the length of a copper rod is 30 cm with a mass of 250g .Ravi heats up the copper rod by supplying 5 kJ of heat .Determine the length of the rod(in cm) after being heated.
What will be the molecular Hamiltonian for BeH2 molecule?
Addition reaction of carbonyl compounds
Water H2o
if the speed of an observer v is added to the speed of light c, the resultant speed will be equal to :
(a) v+c
(b) v-c
(c) c
(d) v
The maximum kinetic energy of emitted photoelectrons in a photoelectric cell is 7.5X10-19 J. What is the stopping
Suppose you are conducting market research for your favorite hotel or restaurant
brand. Sales have been lagging for two quarters, and you are determined to find out
why. You decide to host an in-person focus group to gain customer insights into your
brand’s current product offerings. You are also interested in obtaining feedback on a
new product that your brand plans to launch in the next six months.
a. Determine the makeup of your focus group. Who should be invited to the focus
group, and why?
b. What types of information would you want to obtain? Identify possible questions
to present to the focus group.
Find the equation of the locus of the center of the circle which moves so that it is tangent to the y-axis and to the circle of radius one (1) with center at (2,0).
a certain machine makes electrical resistors having a mean resistance of 40 ohms and standard deviation of 2 ohms what is the probability that random sample of 36 have combined resistance more than 1458
1. the recommended daily calorie intake for teenage girls is 2,200 calories/day. a nutritionist at a state university believes the average daily caloric intake of girls in that state to be lower. test that hypothesis, at the 5% level of significance, against the null hypothesis that the population average is 2,200 calories/day using the following sample data: n=36,x¯=2,150,s=203.
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#339914 on Dec 2023