How much heat is transferred when 400 grams of mercury hg
how much heat is transferred when 400 grams of mercury (Hg) is vaporized? specific heat (c) = 0.14J/g C, heat of fusion = 2.29 kJ/mol, heat of vaporization = 59.1 kJ/mol.
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A buffer solution is .200 M in HNO2 and .185 M in NaNO2. What is the pH of the buffer system after 50 ml of .100 HCl is added to 250 ml of the buffer solution?? Ka of HNO2 = 4.6*10^4. (please show all work)
Calculate the marginal propensity to consume after the change in the rate of savings for the following situation. 20 years ago the average savings rate was 20 percent of disposableincome. It is predicted that this would drop to 5 percent in lesstha
Calculate and describe the effect of changing the savings rate on the multiplier. the given problem is: 20 years agothe average savings rate was 20 percent of disposable income.
A 5.70 cm x 3.10 cm rectangle lies in the xy-plane, What is the electric flux through the rectangle if E = (50.0 i-hat + 60.0 k-hat) N/C
A long straight horizontal wire carries a current I = 2.40Ato the left. What is the magnitude F of the magnitude force on the charge
According to NMR spectra rules, a carbon that is more substituted is more deshielded. For some reason I cannot understand this, because in my mind I see it has more shielding since there is more electron density around it. Please explain in detail
Shown below are the results of a one sample t test. Make up a problem that someone could solve using the printout. Do not make up the data. Just assume the data were collected and produced the given statistics.
A 21.8-kg box rests on a frictionless ramp with a 15.7° slope, what is the smallest force F the mover will have to exert to move the box up the ramp
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What is the cerebral cortex and what is its function? Explain how electrical conduction travels along an axon.
Question: What is the primary difference between recommended dietary allowances (RDAs) and adequate intake (AI)?
Two male elk fight during mating season to win access to females. In the previous question, you determined if the competition was intraspecific or interspecific
A forest experiences a long drought, causing food and water sources to dry up. Many animals die from starvation or dehydration.
Question: What role does the cytoskeleton play in muscle contraction?
Question: What is responsible for the striated appearance of skeletal muscle?
For this assignment, you will create a digital model of a food chain and food web that includes multiple trophic levels and a defined flow of energy.