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Question #d9b53

How many moles of H2SO4 are need to produce 13 moles of H2O?

Is there any shortcut methods for integration of logarthmic or exponential function ?

Question #07091

Lim x>0 √1cos 2x/√2x=?
Thanks

How do you graph #theta=840^circ#?

When electricity is produced from coal, the chemical energy in coal is first changed to what type of energy?

How to solve the equation #z^4=ibarz# ? Where z is a complex number.

How do you simplify #\frac { gh ^ {  9} \cdot g ^ { 0} h } {gh ^ { 0} }# with positive exponents?

How would you express Tin (IV) oxide as a chemical formula?

What is the balanced complete ionic equation for #NH_4Cl(aq) + NaOH(aq) > H_2O + NH_3(g) + NaCl(aq)#?

Which occupies more space: 5 g of solid gold or 5 g of liquid gold?

What is a standard solution?

Is it possible for the equivalence point of a titration to not be at pH 7?

How do you integrate #int y/(e^(2y))# by integration by parts method?

How do you use the Fundamental Theorem of Calculus to find the derivative of #int xsin(πx) # from 1 to x^2?

How do you evaluate the limit #(sqrt(x+4)2)/x# as x approaches #0#?

How do you integrate #(ln x) ^ 2 / x ^ 2#?

How do you evaluate: #lim_(x rarr 0) xsin(1/x)#?

How do you find the derivative of #2e^(xcos(x))#?

Question #f26bd

How do you convert 0.320 atm to mm Hg?

What does it mean if a function is not differentiable at a point?

Which halogen has the least attraction for electrons?

What kind of salt (acidic or basic) is #Zn(CH_3COO)_2# solution?

How are the formulas for acids determined?

How do solutes affect the properties of solvents?

How many protons are in the nucleus of aluminum?

How do acid base indicators work?

What are some common mistakes students make with the Nernst equation?

Question #f0076

What are some examples of quantitative and qualitative measurements?

For the balanced equation #2C_2H_5OH + 6O_2 > 4CO_2 + 6H_2O#, how many moles of #O_2# will react with 0.3020 moles of #CO_2#?

How many moles of #CoO(s)# will be formed for every mole of #CoCl_2 * 6H_2O(s)#?

What is the correct name for #MgF_2#?

What is the name of #Ni_3(PO_4)_2#?

In the reaction #2Li(s) + 2H_2O(l) > 2LiOH(aq) + H_2(g)#, what compound is in the liquid state?

How do you write a polynomial with zeros 2,2,3,4i?

Question #04194

Question #df832

Question #15796

What does cosx sinx equal?

How do you find the inverse of #A=##((3, 6), (2, 4))#?

What are the all the solutions between 0 and 2π for #sin2x1=0#?

How do you solve #2 ln x = 1#?

How do you solve #log(x15)+logx=2#?

How do you simplify #((15(ab)^2)/(5a^2b))^5#?

Question #34d98

How do you implicitly differentiate #6=lny/(e^xe^y)e^xe^y#?

What is the empirical formula of a molecule containing 24% carbon, 6% hydrogen, and 70% chlorine?

Question #6e2b5

Question #94101

What is the equation of the line tangent to # f(x)=x^(1/x)# at # x=1#?

What is the advantage of a logarithmic model?

How do you balance #C_3H_6 + O_2 > CO + H_2O#?

How do you integrate #int x^2e^x dx # using integration by parts?

Given the equation:#N_2+3H_2 rarr 2NH_3#, what volume of #NH_3# at STP is produced if 25 grams of #N_2# is reacted with an excess of #H_2#?

What is the difference between weak acids and strong acids?

How do you solve the following system?: #x 2y =1, 6x y = 4#

Question #d5ff0

How do you simplify #cos(xy)cos(x+y)# to trigonometric functions of x and y?

What is the solubility of solids in water?

How do you solve using gaussian elimination or gaussjordan elimination, #2x 3y = 7#, #5x  16 = 6y#?

How can you use trigonometric functions to simplify # 16 e^( ( 23 pi)/12 i ) # into a nonexponential complex number?

What is an example of an oxidation reaction practice problem?

How do you find all the real and complex roots of #x^7 + 128 = 0#?

Question #ed5f9

How do you solve #log_2 (x1) = log_4 (x+1)#?

When i add KMnO4 into an unsaturated carboxylic acid the color of KMnO4 changes to brown and when i added few drops of H2SO4 into this brown solution the brown color disapears. how this occur kindly help me????

What are the removable and nonremovable discontinuities, if any, of #f(x)=abs(x9)/ (x9)#?

What is the derivative of # f(x)=sec^2xcosx#?

How do you integrate #f(x)=x/((x2)(x+4)(x7))# using partial fractions?

Show that #intx²( e^x 1 )dx = x²e^x 2xe^x +2e^x (x^3)/3 + c#?

How do you integrate #int (2+sin(x/2))^2 cos(x/2)dx# using integration by parts?

How do you integrate #int x^2 cos3 x dx # using integration by parts?

How do you integrate #int x sinx dx # using integration by parts?

What is the antiderivative of #lnsqrt( 5 x )#?

How do you integrate #int x^2 e^(x) dx # using integration by parts?

What is the antiderivative of # (ln(x+1)/(x^2))#?

How do you integrate #int (4^(7x)) / (5^(2x)) # using integration by parts?

How do you integrate #int xe^x dx # using integration by parts?

What is the antiderivative of #ln(root3(x))#?

How do you integrate #int x^2 sin x dx # using integration by parts?

How do you integrate #int e^x sin x dx # using integration by parts?

How do you integrate #int x^3 t an x dx # using integration by parts?

How do you differentiate #f(x)=e^sqrt(1(3x+5)^2)# using the chain rule.?

What is #int tan^2(x) * sec^3(x) dx #?

What is #int_(pi/8)^((11pi)/12) cos^3xsinxdx#?

For #f(t)= (cost/2,sin^2t)# what is the distance between #f(pi/4)# and #f(pi)#?

How do you implicitly differentiate #9=ye^(2y)/x#?

Question #f3b71

Given the incomplete equation for the combustion of ethane, #2C_2H_6 + 7O_2 > 4CO_2 + 6__#, what is the formula of the missing product?

What is the distance between #(8,0,6)# and #(1,4,5)#?

What is the force, in terms of Coulomb's constant, between two electrical charges of #2 C# and #3 C# that are #5 m # apart?

What are the critical values, if any, of #f(x)=xe^(3x)#?

How do you find the integral of #int ( x^2 / sqrt(4  x^2) ) dx#?

What is # lim_(>oo) f(x) = absx/(16x^2) #?

What's the integral of #int sin(x)tan(x) dx#?

What is the general formula for the derivative of the natural logarithm?

What are the first and second derivatives of # g(x) =x^2/(lnx)^2#?

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