ssss

This page lists questions and answers that were posted by visitors named ssss.

Questions

The following questions were asked by visitors named ssss.

a spherical snowball with diameter 4 inches is removed from the freezer in June and begins melthing uniformly such that it is shrinking 2 cubic inches per minute. How fast ( in square inches per minute) is the surface area decreasing when the radius is 1...

The diagonal of a square is increasing at a rate of 3 inches per minute. When the area of the square is 18 square inches, how fast(in inches per minute) is the perimeter increasing?

dy/dx= (2x-2xy)/(x^2+2y) Find all points on the curve where x=2. Show there is a horizontal tangent to the curve at one of those points.

A factory was required to produce a crtain number of television in four days. On the first day, it produced 1/6 of the required number of television sets. On the second day, it produced another 18 sets. On the third day it produced twice as many televisio...

Mr Tan had a box of marbles. 2/3 of the marbles were blue and the rest were yellow. He gave his son 4/5 of the blue marbles and 3/4 of the yellow marbles. If he had 39 marbles left, how many marbles did he have at first?

Alice spent some money on 60 stamps of two different values. The values of stamps could be 5-cents, 10-cents,20-cents and 30-cents. The total amount of money he spent was between $5 and $10. 2/5 of the tamps cost 4/3 times as much as the rest of the stamp...

The energy of vacancy formation in palladium (Pd) is 1.5 eV. At 888C there is one vacancy for every million (106) atom sites. What temperature would be necessary to achieve a vacancy fraction of one for every thousand (10 3) atom sites? Express your answe...

Which of the following will increase the strength of a sample of 90% SiO2 - 10% MgO Quench the entire sample in water Quench half of the sample in water Cool the entire sample with air jets Cool half the sample with air Submerge the sample in a salt bath...

Would you expect the solubility of PbCl2 in water to change dramatically if it were to be dissolved into a solution of 3.091×10−4 M KCl? Yes, the solubility of PbCl2 would decrease dramatically. Yes, the solubility of PbCl2 would increase dramatically. No...

The N-N bond energy is difficult to measure. Given the values of 190 kJ/mol for the N-Cl bond energy and 240 kJ/mol for the Cl-Cl bond energy, determine the maximum de Broglie wavelength of an electron capable of breaking the N-N bond. Express your answer...

Sulfuryl chloride, SO2Cl2, decomposes to SO2 and Cl2 according to the reaction SO2Cl2(g) -> SO2(g) + Cl2(g) The reaction is first order in SO2Cl2, and the value of the rate constant, k, is 2.20*10-5 /s at 300K. (a) Calculate the intial rate of reaction wh...

a line that intersectgs two nonintersecting planes

if a picnic area is located at the midpoint between sacramento and oakland fidn the distance to the picnic area from the road sign roseville 5 sac 23 oakland 110

a line that contains ab and cb

abc and cbd are adjacent angles which side do the angles have in common

i need a quote that evikes mood and a word decicribing the mood

what is the diffwereence between a postulate and theorom

everyday their are more and more dirty dishes to wash-truly a(n) task. a=epicurean b=jovial c=sisphean d=gslvanized its d

so 1000 million is a billion and a 1000 billion is a trillion

find the measure of each interior angle of a regular 18 - gon.

Answers

The following answers were posted by visitors named ssss.

R (real numbers as x can equal anything

so what's the answer?

dr bob you are wrong. You got the correct pka value, but you need to take the anti log of that value to get Ka. Answer is 0.158

You have 333 mL of alkaline solution at pH = 11.1. You wish to neutralize this by reacting it with 222 mL of acid. What must be the value of the pH of the acid?

a- silane b- phosphine c- HF

My dear.....check the signs (-) on the values and then check the question once again......mu answers are 100% correct...and i have scored 100% n this exam also.....:P

No problem.....:)

i used the ictionary i cant figure which one it is

no one is here to help at this time

Please help still works

she will be offered lower interest rates