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Martina
Questions (10)
Angle of refractions! I need help finding angle of incidence in air(or water or glass) it is for one of my labs. It iOS in a
1 answer
476 views
Two soccer players, Mary and Jane, begin running from nearly the same point at the same time. Mary runs in an easterly direction
0 answers
831 views
Starting from the constant-acceleration kinematic equations, write a formula that gives vf in terms of t, xi, xf, and a.
Starting
0 answers
592 views
Explain how to use hundredths grids to subtract 1.65 - 0.98.
31 answers
6,291 views
when plannin a one piece facing for the armhole of a sleeless dress, the grain line of the facing should be taken from the
1 answer
405 views
What lenght of material with the jacket sleeve in Ms Ms Troy
1 answer
352 views
A 10.0-mL solution of 0.30 M NH3 is titrated with a 0.100 M HCl solution. Calculate the pH after the following additions of the
3 answers
1,608 views
A solution is made by mixing exactly 500 mL of 0.178 M NaOH with exactly 500 mL of 0.100 M CH3COOH. Calculate the equilibrium
5 answers
5,677 views
A long, straight wire carries a current of 740 mA. A thin metal rod 45 cm long is oriented perpendicular to the wire and moves
0 answers
771 views
A rectangular storage container with an open top is to have a volume of 15m^3. The length of the base is twice the width of the
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968 views
Answers (5)
A perfectly square ice cube measures 3cm on each side.It has a mass of 24.6g.Whatcis the density of the ice cube.
Thank you for the help
I don't even know where to start. There is no volume for HCl and am not sure how the equation is suppose to look like. I'm just confused about this problem.
yes 7.11E-10 was the right answer thank you very much for the help :)
I calculated all of them and this is what I got: 1) [H+] = 2.56x10^-13 M 2) [OH-] = .039 M 3) [Na+] .089 M 4) [CH3COO-] = .05 5) [CH3COOH] = 0 All of them were right except number 5 and I don't know what the answer to number 5 is suppose to be.
