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Kong
Questions (16)
A debt of R1000 with interest at 16 percent compounded quarterly is to be amortized by 20 quarterly payments (all the same size)
1 answer
494 views
10y^3+y^2-21y
1 answer
867 views
10y^3+y^2-21y
1 answer
397 views
Which of the following desceriptions about ideal gas is/are correct?
1)An ideal gas obeys Boyle's law only under high temp and
2 answers
716 views
is it right that ideal gas only obey the boyles law under high temp and low pressure?
2 answers
396 views
is that right ideal gas only obey the boyles law under high temp and low pressure?
0 answers
347 views
solve it:
a) 3 log x with base 8 + 2 = 0 b)2 log (x-1)with base 6 =log 4 with base 6
1 answer
602 views
i know that metal placed in more acidic solution will produce rust faster.but why metal placed near the sea shore will easily
1 answer
544 views
i know that metal placed in more acidic solution will produce rust faster.but why metal placed near the sea shore will easily
0 answers
806 views
i know that metal placed in more acidic solution will produce rust faster.but why metal placed near the sea shore will easily
1 answer
516 views
i know that metal placed in more acidic solution will produce rust faster.but why metal placed near the sea shore will easily
1 answer
996 views
i know that metal placed in more acidic solution will produce rust faster.but why metal placed near the sea shore will easily
3 answers
504 views
i know that iron(II)hydroxide is brown solid,how about iron(III)oxide?
1 answer
567 views
Why metal(eg. iron)placed at aqueous solution will be more easily occur rusting?Is it due to the mobile ions in the aqueous
1 answer
621 views
Let f(x)=-5e^(x+1)+e^8 .
find f'(0)
1 answer
282 views
The circumference of a sphere was measured to be 86.000 cm with a possible error of 0.5 cm. Use linear approximation to estimate
0 answers
1,266 views
Answers (10)
4,5,9=-,+?? What is the answer
Updated, 4.9917x 10^-10?
My answer is 1.24792 x 10^-10 is it correct?
yhgiu
so how about this question? Which of the following desceriptions about ideal gas is/are correct? 1)An ideal gas obeys Boyle's law only under high temp and low pressure 2)the molecules of an ideal gas have no size 3)the internal energy of an ideal gas
(x^2-1)
pH value is higher,the more acidic the solution.
thx for your teaching first.however ,i have a problem.When i put the metal in the test tube with sodium chloride solution,it rust slower than the one i put in distilled water with air,why?
ans: take square root[(8.3/tan60)^2 + 8.3^2] (Pyth.thm) =9.58m
Ms Sue you are the best. Thanks
