Questions by Guannan He

Questions by Guannan He

What is C₂O₄²⁻: a) A neutral element b) A molecule c) An ion d) None of the above

asked Dec 26, 2024

1 answer

2 votes

226k views

What happens when river levees or maintain over the years?

asked Aug 28, 2024

1 answer

3 votes

177k views

Damian wants to save $7200 to buy a car within the next 2 years. Which budget could help Damian save enough money with minimal impact on other essential expenses? a) Budget A b) Budget B c) Budget C d)

asked Jun 26, 2024

1 answer

0 votes

70.8k views

The usual adult dose for hepatobiliary imaging with Tc99m iminodiacetic acid is: a. 2-4 mCi b. 5-8 mCi c. 10-12 mCi d. 15-20 mCi

asked May 18, 2024

1 answer

2 votes

153k views

the partial molar volumes of acetone (propanone) and chloroform (trichloromethane) in a mixture in which the mole fraction of chcl 3 is 0.4693 are 74.166 cm 3 /mol and 80.235 cm 3 /mol, respectively. what

asked May 15, 2024

1 answer

5 votes

122k views

A worker drops a wrench from the top of a tower 80.0 m tall with what velocity does the wrench strike the ground? (Hint: first find the time it takes for the wrench to fall to the ground.)

asked Apr 24, 2024

1 answer

3 votes

95.1k views

How many times smaller is 1.9 × 10^3 than 4.085 × 10^5?

asked Nov 18, 2023

1 answer

0 votes

218k views

In a class of 35 students, 5 are freshmen, 8 are sophomores, 9 are juniors and 13 are seniors. If 1 student is randomly selected, what is the probability the student is a junior

asked Oct 5, 2023

1 answer

8 votes

144k views

Neglect is: Forgetting to come to work on your day off Failure to do something that you should have done Restraining a resident who is yelling out uncontrollably Saying hurtful comments to someone

asked Sep 9, 2023

1 answer

11 votes

28.3k views

The two figures are similar. Write the similarity statement. Justify your answer.

asked Jul 22, 2023

1 answer

20 votes

209 views

The (period,amplitude,frequence) of y=1/4cos1/2x is 4pie. one of these is the answer need help

asked May 22, 2023

1 answer

2 votes

76.2k views

Which statement correctly compares the number of protons and electrons in atoms of rubidium (Rb) and calcium (Ca)? (1 point) Rubidium has fewer protons and fewer electrons than calcium. Rubidium has fewer

asked Dec 23, 2022

2 answers

3 votes

44.6k views

The levels of organization in living things are cell, tissue, organ, and organs-system. What level of organization is each layer - the epidermis, palisade layer, spongy layer? __ . The entire leaf would

asked Aug 21, 2022

1 answer

1 vote

18.4k views

Why did the Nazi doctors merit a special trial of their own? A. They should have been more active in controlling outbreaks of disease in the camps. B. The United States felt that Nazi doctors were derelict

asked Jun 16, 2022

2 answers

5 votes

103k views

Combine the sentences to create a sentence that begins with a dependent clause and ends with a prepositional phrase (use your pink paper to help you!). Brenda barfed. She failed her test. This was Thursday.

asked Jun 11, 2022

1 answer

2 votes

76.2k views

How does the setting at the beginning of the story compare with the description of Shibuya Station at the end? Explain how this change shows the importance of Hachiko's story to the people of Tokyo.

asked Jun 4, 2022

1 answer

13 votes

70.3k views

A water trough is 9 m long and has a cross-section in the shape of an isosceles trapezoid that is 20 cm wide at the bottom, 70 cm wide at the top, and has height 50 cm. If the trough is being filled with

asked Apr 8, 2022

1 answer

5 votes

19.5k views

What was Alonzo Herndon main goal in life?

asked Mar 5, 2022

1 answer

15 votes

155k views

Divide. Write the quotient in lowest terms 2 1/2 divided by 2 2/3

asked Oct 1, 2021

2 answers

1 vote

31.3k views

A 0.775-m3 rigid tank initially contains air whose density is 1.18 kg/m3. The tank is connected to a high-pressure supply line through a valve. The valve is opened, and air is allowed to enter the tank

asked Oct 1, 2021

1 answer

0 votes

221k views

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