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The binary hydrogen compounds of the Group 4A elements and their boiling points are: CH4, -162 deg C; SiH4, -112 deg C; GeH4, -88 deg C; and SnH4, -52 deg C. Explain the increase in boiling points from CH4 to SnH4.
What is the uncertainty of the position of the bacterium. Express your answer numerically in meters.
the oxidation of a trans-fat just skip the dehydrogenase reaction step and be catabolized the same as a saturated fatty acid?
A soluution prepared by dissolving 682 mg of a sugar (a molecular compound and a nonelectrolyte) in 1.00g of water froze at -3.72 degrees C. What is the molar mass of this sugar?
Which molecule has only 90° and 180° bond angles and one lone pair of electrons on the central atom. XeF4 SeF4 BCl3 ClF5
operating a heat exchanger with pentane and propane. 100 mol/h pentane enters at 300 C and leaves at 400 C. 100 mol/h propane enters at 600 C. What is the exit temperature?
Compute the enthalpy change, for this reaction per mole of solution and A calorimeter has water of 22.0 grams at the temperature of fifteen degree celsisu
Suppose a snack bar is burned in a calorimeter and heats 2,000 g water by 20 °C. How much heat energy was released? (Hint: Use the specific heat equation.) Give your answer in both joules and calories.
Blood is essentially an aqueous solution but it must transport a variety of non polar substances hormones for example
the concentration fo certain sodium hydroxide solution was determined phthalateabbreviated as khp. khp is an acid with
which types of solutes tend to be insoluble in pure water but soluble in acid or in base
Ozone reacts with nitric oxide discharged from jet planes to form oxygen gas and nitrogen dioxide. 0.740g of ozone react with 0.670g of nitric oxide. Determine the identity and quantity of the reactant supplied in excess.
Calculate Qsp for calcium fluoride (Ksp=3.9x10^-11) when 195.0 mL of a 0.00780 M solution of Ca(NO3)2 is added to 175.0 mL of a 0.00740 M solution of KF
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