Questions by Zhenming

Questions by Zhenming

There is more than one isotope of natural uranium. If a researcher isolates 1.00 mg of the relatively scarce 235U and finds this mass to have an activity of 80.0 Bq, what is its half-life in years? a)

asked Dec 17, 2024

1 answer

1 vote

228k views

What is the theoretical yield of ammonia, in kilograms, synthesized from 5.48 kg of H₂ and 33.8 kg of N₂? a. 10.96 kg b. 21.92 kg c. 32.88 kg d. 43.84 kg

asked Dec 17, 2024

2 answers

2 votes

61.2k views

Choose the sentence with the correct punctuation. You need to study for the final; if you don't, you will probably not do well. O Please get the following from the store; milk, bread, and apples. O My

asked Sep 16, 2024

1 answer

2 votes

143k views

The voltage across a 50-mH inductor is given by v(t) = (3t² + 2t + 4) V for t > 0 Determine the current i(t) through the inductor. Assume that i(0) = 9 A. the current i(t) through the inductor is

asked Sep 4, 2024

1 answer

0 votes

79.4k views

Describe the Thomas Test and what is tight if? 1) The back of the lowered thigh does not touch the table and the knee does not flex 80 degrees 2) The back of the lowered thigh does touch the table but

asked Jul 26, 2024

1 answer

0 votes

81.4k views

I will give 20 points pls help me

asked Jun 11, 2024

2 answers

1 vote

123k views

It is the morning of the community-wide yard sale that Joe has been anticipating. According to The Weather Channel there is a 10% probability of snow in his area today. Which of the following best describes

asked Jun 10, 2024

1 answer

5 votes

87.0k views

The six phase problem solving procedure introduced in Chapter 12 for examining and improving an information system consists of Preliminary investigation, Systems analysis, Systems design, Systems development,

asked May 17, 2024

1 answer

4 votes

214k views

Bella Swan finally agreed to show me where she hid the treasure. Turning toward the wall, she pointed to a secret switch. Is a Complete Sentences Or is it a Fragment

asked Nov 23, 2023

1 answer

4 votes

10.0k views

The longest vein of the body is the ___________ vein.

asked Jun 18, 2023

1 answer

21 votes

24.5k views

Help Help please :3

asked Jun 6, 2023

1 answer

24 votes

69.1k views

Help i need help solving this!

asked Dec 22, 2022

1 answer

2 votes

39.9k views

At the amusement park there were t-shirts for sale for $18.95 each. James bought 4 of them. About how much did he spend? Group of answer choices

asked Oct 20, 2022

1 answer

10 votes

192k views

Apart from physical factors, what other environmental factors are in your environment?

asked Sep 17, 2022

1 answer

19 votes

50.5k views

Summarize the impact of American forces in the European campaign of WWII.

asked Jul 17, 2022

1 answer

0 votes

65.5k views

What to other timothee calamet movies can I watch on Hulu and Netflix

asked Jun 13, 2022

2 answers

1 vote

119k views

According to the economic theory of Mercantilism there is a finite amount of resources in the world. True False

asked May 24, 2022

1 answer

12 votes

139k views

If x= - 7 and y = -6, evaluate the expression. x3 + 5y Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. x2 + 5y = B. The expression is undefined.

asked Dec 22, 2021

1 answer

4 votes

9.4k views

What structure or layer in the skin forms fingerprints and footprints?

asked Dec 13, 2021

1 answer

4 votes

87.7k views

If f(x) = 3x^2 - 2x + 5, find f(-2) A. f(–3) = 3 B.f(–3) = 6 C.f(–3) = 9 D.f(–3) = 12

asked Sep 14, 2021

1 answer

5 votes

56.6k views

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