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calculate the molarity of acid (or base) remaining in solution when 20mL of 0.400M HNO3 is added to 16.3mL of 0.258M NaOH? Determine the molarity for all ions remaining in the solution
For the function: f(x)=(x^2/4)+e^(-x^2), sketch a graph of the function. Calculate the first and second derivatives, and use these answers to approximate the locations of the local maximum, minima, and the inflection points.
Calculate the potential energy of an object that has a mass of 100 kilograms and falls a distance of 100 meters from a cliff. given: mass = 100 kilograms g = 10 m/s (subscript) 2 height = 100 m
Determine the molar ratio of sodium borohydride to 9-fluorenone that you used in the experiment.
find the volume V generated by rotating the region bounded by the given curves about x = 4.
I'm taking a Mosaic class (Humanities) and our professor gave us something called "tool of analysis" 1- Class 2- Gender 3- Race, and Corse themes such as journeys, self and others, community, ways of knowing faith and cultural components.
Calculate standard Delta G for the following reaction at 25 C. You will have to look up the thermodynamic
Find the marginal utility functions of the following utility functions: Plot the marginal utility functions. Indicate which of these functions appear to exhibit diminishing, constant or increasing marginal utility? 1. u(x,y) = 3x + 2y
Erythrocytes phosphorylate glucose to glucose 6-phosphate with the help of the enzyme hexokinase instead of glucokinase. Hexokinase has a Km = 0.04 mM.
Find (all) the partial derivatives (e.g. ?u/?x and ?u/?y) of the following functions: 1. Q(p,I) = 300 - 3p - 4I 2. u(x,y) = 10xy 3. u(x,y) = ax? y? 4. z = (x+y)2 5. z = 2x3-11x2y +3y2
A random sample of 30 households was selected from a particular neighborhood. The number of cars for each household is shown below. Estimate the mean number of cars per household for the population of households in the neighborhood. Give the 95% c..
What is the fraction of NTA present after HT2- has been brought to equilibrium with solid PbCO3 at pH 7.00, in a medium in which [HCO3-] = 1.00E-3 M?
Consider 20.0 moles of CO2 in a 1.0 liter container at 300.0 K. What is the pressure predicted by the van der Waals equation.
A fixed quantity of gas at 21 exhibits a pressure of 730 and occupies a volume of 4.40. Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.85 while the temperature is held constant.
CH4 and H20 have about the same molecular weights. Which has the higher vapor pressure at room temperature? Explain.
Calculate the change in pH when 9.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
Ethyl chloride vapor decomposes by the first-order reaction C2H5Cl --> C2H4 + HCl The activation energy is 249 kJ/mol and the frequency factor is 1.6 X 10^14 s^-1 The rate constant at 730 K is 2.4 x 10^-4 s^-1. 1)
A student found that the mass of an empty specific gravity bottle was 21.431 g. Metal pieces were added to the dry bottle. The specific gravity bottle and the metal pieces together
How to calculate ion mobility of DNA as well as single molecule of dNTP? This calculation would be further used for conductivity of DNA or dNTP in solution.
determine the variation of temperature within the wall and the value of temperature at x=0.1m.
Calculate the amount of heat to remove from 5 pounds of 232 degrees steam to create 5 pounds of 162 degrees water.
It then gives off a photon having a wavelength of 1740 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air? The composition of air is 21% mole O2
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