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The oxidation of both Cu and Zn (both present in a penny) with nitric acid generates complex ions of Cu and Zn in solution. It also produces nitrogen dioxide, a brown, toxic gas. For this reason, where
asked
Nov 7, 2024
Chemistry
high-school
1
answer
2
votes
71.0k
views
A cylinder has a height equal to its radius. Find the rate of change of volume V with respect to radius. dr/dV = ______
asked
Nov 1, 2024
Mathematics
high-school
1
answer
5
votes
186k
views
White Sands, New Mexico, is an area of desert where the ground is white instead of dark. Lizards living in other parts of the desert have dar, striped skin. Many lizards of the same species living at White
asked
Sep 21, 2024
Physics
college
1
answer
4
votes
190k
views
The fringed part of a fallopian tube is the fimbriae. True or False?
asked
Jun 13, 2024
Biology
high-school
1
answer
0
votes
56.8k
views
Decide which of the following are true statements. Provide a short justification for those that are valid and a counterexample for those that are not: \begin{array} { l } { \text { (a) Two real numbers
asked
Jun 10, 2024
Mathematics
high-school
1
answer
5
votes
188k
views
I need help with finding the scale factor please and thank you
asked
Feb 12, 2024
Mathematics
high-school
1
answer
4
votes
222k
views
FILL IN THE BLANK a(n) ____ consists of a rectangle divided into three sections.
asked
Jan 22, 2024
Mathematics
high-school
1
answer
1
vote
35.0k
views
I got the problem wrong I need the answer and explanation on why it’s right
asked
Aug 13, 2023
Chemistry
high-school
1
answer
15
votes
26.3k
views
Iodine-131 is administered orally in the form of NaI(aq) as a treatment for thyroid cancer. The half-life of iodine-131 is 8.04 days. If you begin with 28.7 mg of this isotope, what mass remains after
asked
Jan 25, 2023
Chemistry
college
1
answer
0
votes
30.5k
views
Find the area of the circle. Round your answer to the nearest hundredth. The area is about square inches.
asked
Jan 21, 2023
Mathematics
high-school
2
answers
7
votes
45.3k
views
What did general sherman promise to give to freed people?.
asked
Jan 8, 2023
History
high-school
1
answer
17
votes
10.6k
views
What country earned the greatest portion of land after World War II?
asked
Apr 11, 2022
History
high-school
1
answer
3
votes
199k
views
HELP QUICK PLS HELP QUICK PLS
asked
Mar 8, 2022
Mathematics
college
1
answer
17
votes
82.2k
views
HELLO SOMEONE HELP ME WITH THIS MATH QUESTION PLZ TY! :D
asked
Feb 23, 2022
Mathematics
college
1
answer
5
votes
78.2k
views
Which of the following is not an attribute of a paramilitary organization? a. Chain of command b. Consensus meetings to decide on tasks to be completed each week c. Rank d.The use of uniforms, at least
asked
Feb 9, 2022
Law
college
1
answer
1
vote
178k
views
Which phrase best describes a logical fallacy
asked
Dec 25, 2021
SAT
high-school
2
answers
2
votes
1.7k
views
Given the first term which is 4 and the common ratio which is 3 of a geometric sequence, write the first 4 term of the sequence.
asked
Dec 22, 2021
Mathematics
high-school
1
answer
1
vote
47.3k
views
If x is the center of the circle, find m BCD
asked
Nov 21, 2021
Mathematics
middle-school
1
answer
5
votes
168k
views
[25 points!] Please help! Answer this for meee ! xo :)
asked
Nov 3, 2021
Mathematics
high-school
1
answer
3
votes
170k
views
3. For the school Band, Marcia decides to order t-shirts for all of the participants. It will cost $4 per shirt for the medium size and $5 per shirt for the large size. Marcia orders a total of 70 T-shirts
asked
Oct 19, 2021
Mathematics
college
1
answer
3
votes
151k
views
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