Recent activity by Pingjiang Li

Recent activity by Pingjiang Li

The energy required to dissociate the Cl2 molecule to Cl atoms is 239 kJ/mol Cl2. If the dissociation of a Cl2 molecule were accomplished by the absorption of a single photon whose energy was exactly the

asked Dec 12, 2024

1 answer 104k views

A ₹ 1,000 par value ten-year bond with coupons at 8% convertible semiannually will be redeemed for ₹ R. The purchase price is ₹ 800 and the present value of the redemption value is ₹ 301.51. Prove that

answered Dec 4, 2024

1 answer 218k views

If we had a commercial air handler and we need to know the speed of the blower if the pulley on the five horse power 3450 rpm motor is 6" and the pulley on a 2" fifteen foot drive shaft is 10", what would

asked Nov 16, 2024

1 answer 28.6k views

Why are brackets placed around the reagents ?

asked Oct 12, 2024

1 answer 108k views

What is the mass in grams of one atom of Ag

answered Sep 29, 2024

1 answer 15.9k views

"E-11 error code on the Kenmore Microwave Display panel (How to fix?)

answered Sep 27, 2024

1 answer 144k views

What are the possible outcomes of the following cross? O A. TT only O B. Tt and tt only C. tt only D. TT and tt only t t t

answered Sep 15, 2024

2 answers 1.9k views

A business plan for a new business does not need to include: a) a marketing plan. b) a discussion of the purpose of the business. c) a description of the company background. d) the names of the prospective

answered Aug 30, 2024

1 answer 101k views

Belief in a supreme being who controls the universe is usually associated with ___.

asked Jul 25, 2024

1 answer 380 views

The volume of a sphere is 12π cubic inches. If the radius of the sphere is doubled, what is the volume, in cubic inches, of the new sphere? A. 24π B. 72π C. 96π D. 48π

answered Jul 17, 2024

1 answer 46.6k views

The Monacan tribe was known for? O intricate woven baskets O mining copper for jewelry OClovis points Omaking beautiful pottery (choose all that apply)

asked Jun 2, 2024

1 answer 230k views

Now, for parts G-I, you'll investigate what determines the frequency of oscillation. For these parts, turn off the friction using the slider bar. Select the stopwatch, and time how long it takes for a

asked May 21, 2024

1 answer 24.8k views

What is the key difference between Peter's understanding of Messiah and Jesus' understanding of Messiah?

answered May 11, 2024

1 answer 15.0k views

Choose all the right answers. Identify the structures associated with the female part(s) of a flower. ovary stamen anther Opistil stigma egg petal

asked Apr 1, 2024

1 answer 16.3k views

What is the author's purpose for "the fall"?

asked Jan 11, 2024

1 answer 165k views

Can you solve this chart?

answered Jan 7, 2024

1 answer 64.7k views

Which best explains why a decrease in the types of insects in an ecosystem reduces the sustainability of the ecosystem?

answered Dec 8, 2023

1 answer 75.3k views

Which sentence from the section "Beyond Our Galaxy" BEST supports the idea that space is mysterious? A Our Milky Way galaxy is part of a neighborhood of 54 other galaxies. B Without gravity, Earth and

asked Nov 28, 2023

1 answer 43.9k views

Mindy gets 3 dollars a week for allowance. She saved all of her allowance for 10 weeks, and then she bought a shirt for 24 dollars. How much money did she have left?

asked Nov 7, 2023

1 answer 85.8k views

Identify the figure below. Select all names that applyA. quadrilateralB. parallelogramC. rhombusD. SquareE. trapezoid

answered Oct 18, 2023

1 answer 194k views

Search QAmmunity.org