Chemistry

Chemistry, 28.07.2019 11:00, evavasqu81

Calculate [h+] and [oh−] for a neutral solution at this temperature. express your answers using two significant figures. enter your answers separated by a comma.

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Chemistry, 02.08.2019 06:00, oktacos

Give a combination of four quantum numbers that could be assigned to an electron occupying a 5p orbital. express your answers using one significant figures. enter your answers separated by commas.

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Chemistry, 04.10.2019 20:20, Kalamazoo4750

Rt apart complete calculate [h+] for [oh−]=4.1×10−4 m. express your answer using two significant figures. [h+][ h + ] = 2.4×10−11 m previous answers correct the formula for the ion-product constant of water, kw, is [oh−][h+]= 1×10−14. when rearranged to solve for [h+], it becomes [h+]===kw[oh−]1.0×10−144.1×10−42.4×10−11m part bpart complete calculate [h+] for [oh−]=8.5×10−9 m. express your answer using two significant figures. [h+][ h + ] = 1.2×10−6 m previous answers correct part cpart complete calculate [h+] for a solution in which [oh−] is 100 times greater than [h+]. express your answer using two significant figures. [h+][ h + ] = 1.0×10−8 m previous answers correct since the [oh−] is 100 times greater than the [h+], this expression, [oh−]=100[h+], can be substituted into the ion-product constant expression: kw==[h+]×100[h+]100[h+]2 rearranging the equation to solve for [h+]: [h+]===(kw100)1/2(1.0×10−14100)1/21.0×10−8m part d indicate whether the solution is acidic, basic, or neutral.

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Physics, 05.10.2019 09:00, jekson1252

Where z and d are in centimeters and t is in seconds part a what is the distance (cm) between nodes express your answer using two significant figures request answer incorrect try again part b give the amplitude of each of the component waves express your answers using two significant figures. enter your answers numerically separated by a comma submit t answer part c give the frequency of each of the componene waves express your answers using two significant figures. enter your answers numerically separated by a comma ha submit r an part d give the speed of each of the component waves express your answers using two significant figures. enter your answers numerically separated by a comma cm/s submit part e find the speed of a particle of the string a -290cm

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Chemistry, 10.10.2019 04:00, mattr4960

The equilibrium 2no(g)+cl2(g)⇌2nocl(g) is established at 500 k. an equilibrium mixture of the three gases has partial pressures of 9.10×10−2 atm , 0.174 atm , and 0.24 atm for no, cl2, and nocl, respectively. part apart complete calculate kp for this reaction at 500.0 k. express your answer using two significant figures. kp = 40 previous answers correct part b if the vessel has a volume of 6.00 l , calculate kc at this temperature. express your answer using two significant figures.

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Calculate [h+] and [oh−] for a neutral solution at this temperature. express your answers using two...

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