Questions by Naidim

Questions by Naidim

If potential energy between a proton and an electron is given by |U|=ke2/2R3, where e is the charge of electron and R is the radius of atom, then radius of Bohr's orbit is given by (h = Planck's constant,

asked Dec 16, 2024

1 answer

2 votes

129k views

If 6.25 g of CuNO3 is dissolved in water to make a 0.840 M solution, what is the volume of the solution in milliliters?

asked Sep 4, 2024

1 answer

1 vote

46.4k views

What percent of world-wide tornadoes occur in the United States? (a) 5 percent (b) 25 percent (c) 50 percent (d) 75 percent (e) 100 percent

asked Aug 5, 2024

1 answer

4 votes

166k views

What is the return earned by stock in ombor medical supplies? 1) 5.3% 2) 5.3 3) 5.3 dollars 4) Cannot be determined

asked Jul 22, 2024

1 answer

0 votes

81.6k views

What is NOT a part of the income generated from a household's control over the four factors of production?

asked Jun 21, 2024

1 answer

3 votes

6.7k views

Divide the following three numbers and report your answer to the correct number of significant figures: 0.530 g/0.1010 mL = ? A) 5.25 B) 5.24 C) 5.2 D) 5.26

asked Jun 14, 2024

1 answer

4 votes

59.4k views

When crossing railroad tracks, you: a. Should change gears at least once to increase speed. b. Must not change gears. c. Should proceed slowly to avoid damage to a low-clearance vehicle. d. Should proceed

asked Jun 9, 2024

1 answer

3 votes

207k views

A 0.245-L flask contains 0.467 mol of CO₂ at 159 °C. Calculate the pressure: a) 4.56 atm b) 5.34 atm c) 2.14 atm d) 6.78 atm

asked Mar 2, 2024

1 answer

3 votes

103k views

Compare and contrast, using examples or definitions as needed: Cellular immunity vs. humoral immunity

asked Feb 28, 2024

1 answer

0 votes

171k views

When a retired police officer passes away, he leaves $300,000 to be divided among his three children and six grandchildren. The will specifies that each child is to get twice as much as each grandchild.

asked Feb 14, 2024

2 answers

3 votes

16.4k views

Using a calculator, circle the best price for a single doughnut using the prices given at five different bakeries. a. $.42 each b. 3 for $1.38 c. 9 for $3.60 d. 1 dozen for $6.00 e. 1/2 dozen for $2.70

asked Dec 9, 2023

1 answer

3 votes

73.9k views

Simplify the quotient: y= 2x^2+10x-28/x^2-49 divided by 2x-4/x+7

asked Sep 6, 2023

1 answer

8 votes

27.4k views

5x + 14 -4x = 23 + x -9

asked Sep 2, 2023

1 answer

4 votes

110k views

Are all natural numbers also a rational number? (yes/no)

asked Aug 11, 2023

1 answer

11 votes

16.6k views

When was a control used in the investigation of the amphipods and sea butterflies? Why was a control necessary?

asked Dec 25, 2022

1 answer

3 votes

178k views

PLEASE HELP MEEEEEEEEEEEEE

asked Oct 14, 2022

2 answers

5 votes

110k views

Plz help 7x^2 - 6(x + 3)

asked Jul 28, 2022

1 answer

5 votes

168k views

What do you think about your future after 20 years?

asked Jun 20, 2022

1 answer

5 votes

225k views

Describe the difference between an interest and a skill.

asked Apr 24, 2022

1 answer

25 votes

174k views

What is 1 and 1/6 - 3/4 PLEASE ANSWER

asked Mar 5, 2022

1 answer

5 votes

105k views

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