chemistry
pKa = 2.1; pH = 2.0 (stomach); pH = 6 (intestines) = 99.98741233 % ionized in intestines = 0.012587669 % non-ionized in = 55.7311634 % non -ionized in stomach =44.2688366% ionized in stomach Predict whether this compound will be absorbed by passive diffusion better in the stom...
calulus
The top and bottom margins of a poster are 8 cm and the side margins are each 6 cm. If the area of printed material on the poster is fixed at 380 square centimeters, find the dimensions of the poster with the smallest area. find the width and height
calculus
Consider the function f (x)=x1=5(x��4). This function has two critical numbers A < B Find A and B For each of the following intervals, tell whether f (x) is increasing (type in INC) or decreasing (type in DEC). (-inf;A]: [A;B]: [B;inf) The critical number A is...
calculus
Let f (x) = x^2 + 5x-14. Find the open intervals on which f is concave up (down). Then determine the xcoordinates of all inflection points of f 1. f is concave up on the intervals 2. f is concave down on the intervals 3. The inflection points occur at x
chemistry
balance:H2(g)+S2(g)------->H2S(G)+heat A.) how would the equilibrium be affected give the following: - increase in temperature - increase in hydrogen concentration - increase in reaction container of volume B.) is equilibrium homogeneus or heterogeneus? C.) what is equilibr...
chemistry
balance: SO2(g)+O2(g)------->SO3(g) the concentration of SO2 and O2 are determined to be [0.06] and [0.03] if the following reaction has a Kc of 3.6x10^2, what is the concentration of SO3???? any work would be much appreciated thank you!!
chemistry
2CO2(G)--->2CO(g)+O2(g), deltaH=566kj what is Kc and state whether the reaction favors products or reactants? A.)[CO2]=1.5M, [CO]=1.2M, [O2]=0.05M B.)[CO2]=8.3M, [CO]=0.05M, [O2]=0.50M C.)[CO2]=0.05M, [CO]=0.75M, [O2]=0.07M
chemistry
balance:Al(s)+H2O(g)--->Al2O3(s)+H2(g) what is the correct equilibrium expression?
chemistry
Al2O3+6HCl----->AlCl3+3H2O what type of reaction is this? -combination -decompisition -or double displacement reaction
chemistry
balance: Al(s)+H2O(g)--->Al2O3(s)+H2(g) what is the correct equilibrium expression?
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