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In the year 2009, the US generated electrical power at the scale of around 1.2 terra-watts. Compute the per capita electrical power in the US (this is equal to the amount of power needed per individ
Determine the mass of precipitate that produces when the 300ML of a aqueous solution containing 67.9g of silver nitrate reacts with excess sodium chloride solution by the following reaction:
Discuss how photochemical isomerization allows the production of the thermodynamically less stable cis isomer. Discuss why is the trans isomer exclusively converted to the cis isomer during
A nuclear power reactor produces 4.00*10^9 W of power. In 1-year, determine the change in the mass of the nuclear fuel due to the energy being taken from the reactor?
Suggest a suitable mechanism for this reaction when the Benzyl bromide (C6H5CH2Br) can be prepared by treating toluene with the NBS in the presence of a peroxide initiator.
When each particle is moving at a speed of around 0.50 c relative to the laboratory before the collision, find out the energy of the electromagnetic radiation.
Determine the wavelength of a photon emitted by a hydrogen atom when its electron drops from the n =4 state to the n =3 state. Explain in details.
An experiment was done where in the 3.25grams of O2 were reacted with excess theH2 to form the water. The chemical equation is O2+2H2 yields 2H2O.
Assume that it is moving at a speed of around 0.970c and an observer who is stationary in a laboratory measures the lifetime of a particle to be 2.50*10^-8 s. (i) Determine the lifetime according to
Calculate the chemical structure of a phospholipids molecule and describe how this structure leads to the formation of membranes when phospholipids are placed in water?
Relative to the stationary reference frame fixed to the laboratory, the particle travels at a distance of around 1.16*10^-3 m before disintegrating.Determine the distance evaluated by a hypothetical
Calculate the molecular formula and its correct molecular weight when an unknown substance is empirically determined to be 6.67 % hydrogen, 40 % carbon by weight and the 53.33 % oxygen. Its
Discuss how do you minimize bias when conducting a project? Determines the dependent and independent variables? What are the different ways variables may be arranged (2-factor, nested, etc
Other mix has 3/4 nuts and 1/4 raisins and will sell for $9.50 per kg. How many kilograms of every mix must company prepare for maximum revenue? Determine maximum revenue.
The arrangement is initially vertical and stationary. The combination is free to pivot around the bottom end of the rod after being given a slight nudge. After the combination rotates via 90 degrees
Explain the biological importance of each of the following organic compounds in relation to cellular structure and function in plants and animals.
If 51.6 g of CS2 yields57.7 g of CCl4, what is the percent yield when the carbon disulfide (CS2) reacts with excess chlorine (Cl2) to form carbon tetrachloride (CCl4) and disulfur dichloride (S2C
The oil floats on the top of water, and the open surface of the oil is at a height h over the bottom of the vessel. Determine the height, h, when the pressure at the bottom of the water is 11 kPa mo
Determine the final temperature of the system once equilibrium has been reached when a mass of 20.0g of H2O(g) at 373k is flowed into the 250g of H2O(l) at 300k 1 atm. Assume that Cp, m for H2
A sample of a compound of O and Cl reacts with an excess of H2 to give .233grams of HCl and .403 grams of H2O. Calculate the empirical formula of a compound?
The heat capacity Ca(OH)2(s) is 19.2 cal/mol*degree Celsius and the heat of vaporization of water is 540 cal/g. Explain how much liquid water and how much steam would result?
The circular sector has the area of 16 cm^2 and the arc length of 6.0 cm. Find measure of central angle in degrees?
A proton and antiproton, both primarily at rest, annihilate each other, generating two gamma ray photons. Determine the frequency of one of the photons?
What was the concentration of Li2S in the original undiluted solution when a 11 mL sample of a solution of Li2S was diluted with water to 77 mL. A 60 mL sample of the dilute solution was found to cont
A common nucleus employed in PET scans is which it consists of a half-life of 110 min. Determine what fraction of the original activity remains in the body after 8 h?