Daily Popular Homework Help on Boodom - (2013-2-19) - S2

Daily Popular Homework Help on Boodom - (2013-2-19) - S2

• Describe, stepwise, how you would prepare 0.5 L of a 0.15 M phosphate buffer, pH 12.5, using K3PO4·H2O (f.w. = 230.28) and K2HPO4 (f.w. = 174.18). Assume that after dissolving the salts your pH-meter reading is 11.9.What volumes of .50 M HNO2 and .50 M NaNO2must be mixed to prepare 1.00 L of a s ...
• match each numbered point in the phase diagram for compound q12.15 Match each numbered point in the phase diagram for compound Q with the cor ...
• the heights of a group of professional basketball players are summarized in the frequency distribution below. find the standard deviation.The heights of a group of professional basketball players are summarized in the ...
• when 22.4 j was added as heat to aparticular ideal gas, the volume of the gas changed from54.8 cm3 to 100 cm3while the pressure remained at 1.00 atm.When 22.4 J was added as heat to aparticular ideal gas, the volume of the gas ch ...
• a piston cylinder device initially contains .35 kg steam at 3.5 mpa superheated by 7.4
  A closed, rigid tank contains 2 kg of water, initially a 2-phase liquid ...
  
• What is the magnitude of the angular velocity of the wheel after the block has descended 3.50m ? A thin, light wire is wrapped around the rim of a wheel. The wheel rotates about ...
• if the accelerating potential 95.0v how fast will the electrons be moving when they hit the screenA cathode-ray tube (CRT) is an evacuated glass tube. Electrons are produced at o ...
• find the net electric flux through the spherical closed surface shown in the figure below the two charges on the right are inside the spherical surface take q1 1.84 nc q2 1.03 nc and q3 2.85 ncA tetrahedron has an equilateral triangle base with 18-cm-long edges and three e ...
• calculate the temperature of the parcel at the following elevations as it rises up the windward side of the mountainHigh Rise Worksheet Mr. H. Y. Perbole- Mr.Ridge, we have a serious problem. The ...
• why might a profitable motel shut down in the long run if the land on which it is located becomes extremely valuable due to surrounding economic development? what kinds of costs are involved in making a decision to shut down?Why might a profitable motel shut down in the long run if the land on which it i ...
• f(t)=0.01t^4-0.04t^3A particle moves according to a law of motion s=f(t), t is greaterthan or equal ...
• in the calibration of the force sensor we choose pulling on the hook to be positive instead of the usual negative. Energy Experiment.Does neglecting friction and air resistance make a huge orsmal ...
• a hexagon has a grid on it. the height of the hexagon is 2 units. what would be the approximate area explainIf a hexagon has a grid on it. The height of the hexagon is 2 units. What would ...
• your body consists of 7/10 water. is it more than 1/2 your body waterYour body consists of 7/10 water. Is more than 1/2 your body water? Explain ...
• write a subtraction problem that has a difference of 1/6 write a subtraction problem that has a difference of 1/6. ...
• the normal boiling points of co and so2 areThe normal boiling points of CO and SO2 are -192 degrees C and -10 degrees C, re ...
• how many millimoles of calcium hydroxide are in 0.5000gI would really appreciate some help with the following questions- I understand t ...
• a standard doorway measures 6 feet 8 inches by 3 feet what is the largest dimensions that will fit through the doorway without bending PLEASE HELP!!! A standard doorway measures 6 feet 8 inches by 3 feet. What is th ...
• if your annual income from a part-time job is $2,698, and the inflation rate is 4 percent, what is the purchasing power of your income?If your annual income from a part-time job is $2,698, and the inflation rate is ...
• assume that a vector vect contains nsamp samples of a functionFunction Name: roadTrip% Inputs (4): - (double) the number of miles a car can tr ...
• ponzi corporation has bonds on the market with 14.5 years to maturity, a ytm of 6.1 percent, and a current price of $1,038. the bonds make semiannual payments.If a firm raises capital by selling new bonds, it could be called the "issuing f ...
• would the absolute value of the work done by an external agentA uniform electric field has a magnitude 1.70 kV/m and points in the +x directio ...
• cassandra is repaying an installment loan of $3,500 with 20 equal monthly payments of $196 each. What is the annual percentage rate of the loan?Cassandra is repaying an installment loan of $3500 with 20 equal monthly payment ...
• justanswer .com + account balance for south coast board as of july 1,2010South Coast Boards Co. is a merchandising business. The account balancesfor Sout ...
• write $0.98 as a fractoon of a dollar in simpliest formwrite .98 as a fraction of a dollar in simplest form ...
• o Testing for cationsQ.4 A plant food contains (NH4)3PO4. What tests would you run to verify the pres ...
• if you titrated 0.505g of an unknown monoprotic acid what mass of formic acid must be dissolved in 250 ml of deionized water to produ ...
• when cold air moves below warm air we feel what depending on how fast the air movesWhen cold air moves below warm air (which rises), we feel _______, depending on ...
• Given that AC and AE are common external tangents of circle G and circle D, FE = 15, GF = 3, and AG = 5, which is the length of AC? Given that AC and AE are common external tangents of circle G and circle D, FE = ...
• if the ampliitude of the wave is tripledIf the amplitude of a sound wave is tripled, A.) by what factor will the inten ...