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When the gases sulphur dioxide and hydrogen sulphide mix in the presence of water, the reaction #"SO"_2 + 2"H"_2"S" > 2"H"_2"O" + 3"S"# occurs. Here hydrogen sulphide is acting as?

What is the angular momentum of a rod with a mass of #2 kg# and length of #9 m# that is spinning around its center at #12 Hz#?

The sum of two numbers is 72, and twice their difference is 24. What is the smaller of the two numbers?

Which type of bond is formed when Ammonia and hydrogen ion bond together to form ammonium ion?

What is the amount (in moles) of copper (II) sulfate pentahydrate that you will need to make 100mL of a 0.500 mol/L solution, with all the calculations?

A truck pulls boxes up an incline plane. The truck can exert a maximum force of #2,400 N#. If the plane's incline is #(2 pi )/3 # and the coefficient of friction is #5/3 #, what is the maximum mass that can be pulled up at one time?

Why is there are huge energy change between the 9th and the 10th electron in the sodium atom?

Why is enthalpy an extensive property?

Use the enthalpy of combustion of propene CH2= CHCH3(g), #Delta#HCo =2058 kJ mol1, and the fact that #Delta#Hfo[H2O(l)] = 285.83 kJ mol1, and #Delta#Hfo[CO2(g)] 393.51 kJ mol1, to find its enthalpy of formation?

A vehicle travelling with a uniform velocity was given a uniform acceleration, and in the sixth and tenth seconds after the acceleration began it was observed to travel 15 m and 23 m respectively. What is the acceleration and the initial uniform velocity?

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Organic Chemistry Help Please? D:

How do you sketch the graph of #y=4(x3)^2+2# and describe the transformation?

How do you graph #y<=3absx1#?

How to do this question in regards of matrices and transformation?

Create a formula/equation to calculate the xvalue for the vertex of any parabola?

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Why do polyprotic acids become less acidic as they lose protons?

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Marina bought 2.6 pounds of salmon at the fish market. The total cost was $38.87. What was the price of the salmon per pound?

How do you solve #8( 1+ 7n ) = 8(  2+ 6n )#?

In how many ways can 7 people be seated in a row o chairs if Jane and Joe must sit next to each other?

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Cups A and B are cone shaped and have heights of #32 cm# and #24 cm# and openings with radii of #15 cm# and #8 cm#, respectively. If cup B is full and its contents are poured into cup A, will cup A overflow? If not how high will cup A be filled?

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Given #f(x) = 17x^2#, what is the average rate of change in #f(x)# over the interval #[1,5]#?

How do you solve #25^ { 1 3n } = 625^ {  n  1}#?

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How to simplify #((3x^1)/(9y^2))^2# and have the answer in positive exponential notation?

How do you solve for #V# in #B= (3V)/h?#

Kate is paid $84 a week, It takes Kate two and a half hours each day to complete her paper run. How do you calculate Kate's hourly pay rate per week?

How do you simplify #\frac { \frac { 6q ^ { 5} } { 5r ^ { 4} s ^ { 4} } } { \frac { 3p q ^ { 2} } { 20r ^ { 2} s } }#?

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How do you write the equation of the line that passes through #(3, 3)# and #(2,7)#?

How do you simplify #cos^1(sqrt2/2)#?

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How many moles of H2O could be obtained by reacting 0.75 mole of H2O2 in the reaction H2O2+H2S→2H2O+S?

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How do you find the coordinates of the vertices, foci, and the equation of the asymptotes for the hyperbola #y^2=36+4x^2#?

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How do you divide #( i5) / (2i+12)# in trigonometric form?

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How do you find #(hg)(n)# given #h(n)=4n+5# and #g(n)=3n+4#?

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What is the equation of the tangent line of #f(x)=(2x^3  1) / (x^22x) # at #x=3#?

What is the domain and range of # y=2e^(x)#?

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How do you evaluate #a^ { 5} \times ? = a ^ { 9}#?

How many milliliters of 0.306 M HCl are needed to react with 51.0 g of CaCO3?

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Calculate the value of #p# in #log49^2=plog7# ?

Physics Question: A 2.0 kg block is launched up a frictionless ramp?

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At 9:00 on Saturday morning, two bicyclists heading in opposite directions pass each other on a bicycle path.The bicyclist heading north is riding 6 km/hour faster than the bicyclist heading south. At 10:15, they are 42.5 km apart. What are their rates?

The count in a bacteria culture was 700 after 20 minutes and 1000 after 40 minutes. What was the initial size of the culture?

Question #3c7cf

#Q(t) = Q_(o)e^(kt)# may be used to model radioactive decay. #Q# represents the quantity remaining after years; #k# is the decay constant, 0.00011. How long, in years, will it take for a quantity of plutonium240 to decay to 25% of its original amount?

How do you solve #(x  5) / (x  8) = (x + 1) / (x  5)#?

A chemist mixes a 10% saline solution with a 20% saline solution to make 500 milliliters of a 16% saline solution. How many milliliters of each solution does the chemist mix together?

How do you integrate #(5x3)/((x2)(x3)^2)# using partial fractions?

If there are #2.50xx10^18# lead atoms, what is the mass of this quantity?

Given the reaction at equilibrium: #N_2(g) + O_2(g) + e n ergy rightleftharpoons 2NO(g)# What change will result in a decrease in the amount of #NO(g)# formed?

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How do you solve #3/(x2) = 1/(x1) + 7/(x^23x+2)#?

How to work out the density?

Question #0bf56

A salesperson is paid $110 per week plus 15% commission on her weekly sales of x dollars. How do you find a linear function that represents her total weekly pay w in terms of x?

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If light has a wavelength of 468 nm, what is the energy of this light expressed with units of kJ/mol?

How solve it?

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How do you find the amplitude and period of #y=4cos(72pit)#?

How many moles of #Na^+# ions are present in 275.0 mL of 0.35 M #Na_3PO_4# solution?

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How do you find the limit of #(xcosx)/x# as x approaches #oo#?

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An exothermic reaction releases 86.5 kJ. How many kilocalories of energy are released?

Anyone good at chemistry? please try this question for me.

Question #146da