chelsey
This page lists questions and answers that were posted by visitors named chelsey.
Questions
The following questions were asked by visitors named chelsey.
When a boy pulls his sled with a rope, the rope makes an angle of 70 with the horizontal. If a pull of 16 pounds on the rope is needed to move the sled, what is the horizontal component force?
15 years ago
factor: x^2-11x+19=-5
15 years ago
the pressure on a gas at-73 Cis doubled, but its volume is held at constant. What will the final temperature be in degrees Cesius?
14 years ago
how to write the rate as a unit rate?
13 years ago
In Exam Figure 7, AA′ = 33 m and BC =7.5 m. The span is divided into six equal parts at E, G, C, I, and K. Find the length of A′B. Round your answer to two decimal places.
13 years ago
What orbitals overlap to create the C-O bond in CH3OH? A. sp3-sp3 B. s-sp3 C. s-p D. sp2-sp3 E. s-sp2 I know the answer is A because it's on a practice test and the answers are circled but I have no idea why it is that way. Please explain.
13 years ago
Methanol, CH3OH, contains a C-O bond. In this bond, which of the following best describes the charge on the carbon atom. a.) -1 b.) +1 c.) uncharged d.)slightly negative e.) slightly positive the answer key says slightly positive but isn't it uncharged? w...
13 years ago
What is the acoustic poem for kilometre
12 years ago
<1 and <2 are vertical angles. If m<1=63 and m<2=4x-9 what is the value of 9.
12 years ago
a rectangular swimming pool has an area of double 1500ft. The rectangular pool is 50ft. The rectangular walkway that surrounds the pool is 4ft. How many feet of fencing do you need to surround the walkway?
12 years ago
<1 and <2 are vertical angles. If m<1=4x and m<2=56. What is the value of x?
12 years ago
P(6,6)y=2/3x
12 years ago
Calculate the pH of a solution in which a. [H3O+] = 7.8 x 10-7 M b. [H3O+] = 5.1 x 10-6 M c. [H3O+] = 6.1 x 10-5 M d. [H3O+] = 9.3 x 10-4 M
11 years ago
Sometimes the basicity of a solution is reported using pOH (pOH = -log[OH-]). What is the a. [OH-] if pOH = 1.90 b. [H3O+] if pOH = 12.94 c. pH if pOH = 9.70
11 years ago
At pH 3.85, which of the following is true? A.[lactic acid] > [lactate ion] B.[lactic acid] < [lactate ion] C.[lactic acid] = [lactate ion] At pH 11.61, which of the following is true? A.[lactic acid] = [lactate ion] B.[lactic acid] < [lactate ion] C.[lac...
11 years ago
What is the concentration of H3O+ in a solution with the following pH values. Enter your answer in scientific notation. a. 6.66 b. 13.40 c. 13.17 d. 2.39
11 years ago
C6O2H8, Ka = 1.7 x 10-5 calculate pka
11 years ago
A cylist has completed 25% of his journey.if the whole journey is 40km,how much of the whole journey has he completed
9 years ago
Answers
The following answers were posted by visitors named chelsey.