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Problem- a) The top of a swimming pool is at ground level. If the pool is 6.1m deep, how far below ground level does the bottom of the pool appear to be located when the pool is completely filled with water? Answer in units of m. b) How far below ground level does the bottom of the pool appear to be located when the pool is filled halfway with water? Answer in units of m.
Please take care to answer each question mark in the equations
A mixture consisting of 0.130 mol N2, 0.041 mol O2, 0.100 mol CH4, and an unknown amount of CO2 occupies a volume of 8.90 L at 25°C and 1.09 atm pressure. How many moles of CO2 are there in this sample
Why is the dissolving of salt sometimes an exothermic and sometimes an exothermic process
a since the pressure available for expansion of the arterioles is only 1mmhg what does the surface tension need to be
A solution of H2SO4 and KI is then added to conver the MnO2 to MN^2+, and the iodide is converted to I2. The I2 is then titrated with standardized Na2S2O3. Calculate the amount of O2 in 25.0mL of water if the titration requires 2.45ml of 0.0112 M N..
Biphenyl is commonly obtained as an impurity during the synthesis of Grignard synthesis of benzoic acid from bromobenzene. How would you detect the presence of biphenyl in your product with a TLC experiment
Explain what is the heat of the fusion of ice. If cup is 3.494g as well as ice is 11.732g and water 32.128g. Initial water is 23.2 degree Celsius, ice initial is 20 degree Celsius and final temp is 0 degree Celsius. And moles of ice 0.65.
Marble (calcium carbonate) reacts with hydrochloric acid solution to form calcium chloride solution, water, and carbon dioxide. What is the percent yield of carbon dioxide if 2.86 g of the gas is collected when 10.3 g of marble reacts
Explain how many ATP molecules are necessary to pump 100 K+ ions out of a cell when the cytoplasmic concentration of K+ is 5 mM the extracellular concentration 150 mM and the membrane potential is constant - 60 mV
Butadiene can undergo the following reaction to form a dimer (two butadiene molecules hooked together). 2C4H8(g) > C8H12(g) The half-life for the reaction at a given temperature is 5.92*10^-2 sec
the vapor pressure of ch3 coch3 propanone or acetone is 67 torr at 0 ? c and 222 torr at 25 ?c. what is the standard
What is the mass of the solid NH4Cl formed when 66.0 g of NH3 are mixed with an equal mass of HCl? What is the volume of the gas remaining, measured at 14.0°C and 752 mmHg
a sol. of unknown calcium concentration is titrated using edta. the edta is first standardized against a primary
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