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The work function for mercury is equivalent to 435kJ/mol photons. What is the kinetic energy, in joules, of the ejected electrons when light of 188 nm strikes a mercury surface?

Determine the wavelength, in nanometers, of the line in the Balmer series corresponding to #n_2# = 5?
Express your answer using five significant figures.

Find the following for function #f(x)=\ln(x^4+1)#...?

Show that the equation #\sin(x)6x=0# has exactly one root...?

What is the velocity of an electron that makes a transition corresponding to the longest wavelength line of the Lyman series?

How much energy, in joules, must be absorbed if all the #O_3# molecules in the sample of air are to dissociate?
Assume that each photon absorbed causes one #O_3# molecule to dissociate, and that the wavelength of the radiation is 254 nm.

Find the dimensions that will minimize the cost of the material?

Two hydrogen atoms interact to form a hydrogen molecule. Classify the following statements that describe the stages of bond formation in a hydrogen molecule according to the predominant force existing between the two hydrogen atoms...?

A solar cell that is 15% efficient in converting solar to electric energy produces an energy flow of 1.00 kW/#\text(m)^2# when exposed to full sunlight. The cell has an area of 30.0 #\text(cm)^2#.
(a) What is the power output of the cell, in watts?

Consider the function #f(x)=e^(x^(2))#?

Solve the following (limit; L'Hospital's Rule)?

L'Hospital's Rule question: Find #\lim_{t\rightarrow\infty}v(t)#?

If Newton's Method is used to locate a root of the equation #f(x)=0# and the initial approximation is #x_1=2#, find the second approximation #x_2#?

(full question below) "How much water would you expect to vaporize, assuming no water splashes out?"

What is the molecular orbital diagram for #C_2^#?

Determine a region whose area is equal to the given limit?

Express the integral as a limit of Riemann sums?

Evaluate the indefinite integral #\int(x^21)/(x^33x+1)dx# using substitution?

Starting with #"1.20 g"# of #A#, what is the mass of #A# remaining undecomposed after #"1.00 h"#?

What is the initial partial pressure, in mmHg, of N2O5(g)?

Measles pathogenesis curve by function #f# (see details for questions)?

What mass of benzoic acid, #C_6H_5COOH#, would you dissolve in 400.0 mL of water to produce a solution with a pH = 2.95?

In a #0.70 M# solution of benzoic acid, what percentage of the molecules are ionized (CHEMISTRY 1B problem)?

What is the pH of a solution in which #1\times10^(7)# moles of the strong acid, HCl is added to one liter of water?

For a solution that is 0.285 M #HC_3H_5O_2# (propionic acid, #K_a=1.3×10−5#) and 0.0888 M HI, calculate the following?

How many millimoles of strong acid or strong base can be added to the solution before any significant change in pH occurs?

A beaker with #1.50 xx 10^2"mL"# of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.00 mL of a 0.360 M HCl solution to the beaker?

Compute pH before/after addition of NaOH?

Determine the molar solubility of #PbCl_2# in 0.16 M #HCl(aq)#?

What is the solubility of #MnS#, in grams per liter, in a buffer solution that is 0.105 M #CH_3COOH#  0.490 M #NaCH_3COO#?

At what approximate temperature will an equimolar mixture of #N_2(g)# and #O_2(g)# be 3.0 % converted to #NO(g)#?

What is the total pressure of the gases in the flask at this point?

Part A
What must be the temperature if the following reaction has ΔG0= 44.0 kJ , ΔH0=24.8 kJ, and ΔS0=15.2 JK−1?

Which of the following processes shows a decrease in entropy of the system?

Consider the following reaction; use the information here to determine the value of #\DeltaS_(surr)# at 398 K ... Will this reaction be spontaneous at this temperature?

Calculate the #\DeltaG°_(rxn)# using the following information?

Determine whether the series converge or diverge?

What is the cell potential for the reaction# Mg(s)+Fe^(2+)(aq)\rarrMg^(2+)(aq)+Fe(s)#
at 47 °C when #[Fe^(2+)]#= 3.50 M and #[Mg^(2+)]#= 0.110 M?

The following cell is operated as an electrolytic cell, using a current of 0.480 A . The volume of each solution is 100.0 mL. Electrolysis is stopped after 10.00 h , and the cell is allowed to function as a voltaic cell. What is #E_(cell)# at this point?

Which samples result in a sample mean that overestimates the population mean...?

#(dy)/(dx) = 3x^2(1+y^2)^(3/2)#?

Why are lower and upper fences important?

How many license plates can be made consisting of 2 letters followed by 3 digits (using the fundamental counting principle to solve)?

Probability questions?

What is the probability that in three consecutive rolls of two fair dice, a person gets a total of 7, followed by a total of 11, followed by a total of 7?

A sample of 4 different calculators is randomly selected from a group containing 16 that are defective and 30 that have no defects; what is the probability that at least one of the calculators is defective?

#y^{'''}3y^{''}+2y^'=\frac{e^{2x}}{1+e^x}#?

"Compute the probability of #x# successes in the #n# independent trials of the experiment" ?

Identify which type of sampling is used?

Construct a frequency polygon using six classes and a class width of 3?

Determine whether a census is practical in the situation described?

"The graph of a normal curve is given. Use the graph to identify the values of #\mu# and #\sigma#" ?

What proportion of the numbers
are between 0 and 0.2 (normal distribution)?

Probability with samples?

Experimental/observational studies & relative frequencies?

Mean/median/mode and range/standard deviation/variance (sample)?

Explain using the concept of a confidence interval (population proportion)?

Data missing for question? :\

Express the confidence interval using the indicated format?

Interpret the interval?

Use the given information to find the minimum sample size required to estimate an unknown population mean #\mu#?

Monohybrid Crosses (Mendelian Inheritance) question?

Define the following in relations to each other?

#\int_0^1e^x/(1+e^(2x))dx=?#

#\int\sinh^2(x)\cosh(x)dx#?

#\intx(2x+5)^8dx#?

#\int_t^5(dt)/((t4)^2)#?

Find the number #b# such that the line y=b divides the region...?

Find the values of #c# such that the area...?

Find the volume of the solid via crosssections?

#\int_(0)^(15)x^2\sqrt(a^2x^2)dx#?

Find the exact length of the curve?

Cylindrical shells (parts in details)?

Solve #\int(x^3/\sqrt(1x^2))dx# using two methods?

Solve (5 questions)?

English prompt question?

A series of integral based questions?

#\int_0^\inftye^(ax)\cos(bx)dx#?

#\int(x^3+x)/(x1)dx#?

#\int1/(xb)dx#?

#\sum_(n=1)^\inftyn/(n^4+1)#?

Does the series #a_n=(1+n)^(1/n)# converge or diverge?

#\lim_(n\rarr\infty)(14/n)^n#: convergent or divergent?

Is the following series #62+2/32/9+2/272/81# convergent or divergent?

What is the general solution of the differential equation #yxy'=32x^2y'#?

What is the general solution of the differential equation #y'1/xy=2x^2\lnx#?

Find the values of #x# for which the following series is convergent?

Series and sequences?

Derivation and application of reduction formula?

Evaluate #I=\int\cos^4(x)dx#?

Evaluate #I=\int\sec^3(x)dx#?

#\int(x^2dx)/(\sqrt(49x^2))#?

#\intx^3\sqrt(1x^2)dx#?

#\int1/(x^2+a^2)dx#?

Partial fractions #\int5/((x^2+2x+2)(x1))#?

LaTeX/MathJax: How to format in biography and/or comments?

#\int5/((x^2+2x+2)(x1))dx#?

Approximate #\int_0^2(1)/(1+x^3)dx# using the Midpoint Rule, given #n=4#?
Please check my work

Approximate #\int_0^2 1/(1+x^3)dx# using Trapezoid Rule?

I don't understand this explanation for #\sum_(n=0)^\infty((1)^n)/(5n1)#? Why test for convergence/divergence AGAIN, if the Limit Comparison Test
confirms that both series are the same?

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