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When my son weighed 15.1 kg I put him into a bathtub containing 55.0 gallons of water when filled to the very top. After I put him in, I collected all the water that ran over the side of the tub, and found it to be equal to 3.65 L.
(A) What is the density of my son in grams per cubic centimeter?
(B) What if next time I do this he gains 2.25 kg. and grows big enough to displace 6.11 L. Will he still have the same density? Explain and prove your answer.
A typical frequency used by GSM cell phones is 759.0 MHz. What is the wavelength of this signal in m?
When SiO2 is heated to melting, it reacts with solid carbon to form liquid silicon and carbon monoxide gas. in an industrial preparation of silicon, 155.8 Kg of SiO2 reacts with 78.3 Kg of carbon to produce 66.1 Kg of silicon.
Problem- Identify the following statements as true or false. (Utilize the drop-down menu moreover select "True" or "False" for each. You should get all 6 correct.) 1) If a process increases the randomness of the particles of a system the entropy of..
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/t (in K ) is linear and has a slope of ?1.13×10^4 K.
soultion containing 10e-3 mol of dissolved Ag+ demonestrate that AgCl precipitate from the solution and calculate the wight og AgCl in grams that form per liter. Assume that all activities coefficients are equal to one.
Question- The HF bond length is 92 pm, 16% shorter than the sum of the conalent radii of H (37 pm) and F (72 pm). Suggest a reason for this difference. Similar data show that the difference becomes smaller down the Group, From HF and HI. Explain.
Determine how much dolomitic lime(is an anhydrous carbonate mineral composed of calcium magnesium carbonate CaMg(CO 3 ) 2 ) is required to apply to raise the pH to 7.0?
The internal energy change, E, for the conversion of 1 mol of Compound A to Compound B is +0.2 kJ. Both A and B are solids with densities of are 2.5 and 3.0 g/cm3, respectively. Calculate the difference between enthalpy and internal energy when the..
an interference filter has an effective bandwidth of 10nm. would it be feasible to employ such a filter to isolate the
What is the estimated temperature of the object using the above approximate prescription? What is the percent error?
Suppose that an astronomer discovers a quasar with a redshift of 7.1. With what speed would this quasar seem to be receding from us? Give your answer in km/s and as a fraction of the speed of light.
What is the heat of vaporization of a if 215mol of the liquid required 2040J of energy to vaporize at its boiling point
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