Questions by Sitian Liu

Questions by Sitian Liu

A chemist prepares a solution of pottasium bromide KBr by measuring out 224.g of pottasium bromide into a 300.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration

asked Dec 20, 2021

2 answers

1 vote

2.9k views

A wire with mass 90.0 g is stretched so that its ends are tied down at points 98.0 cm apart. The wire vibrates in its fundamental mode with frequency 60.0 Hz and with an amplitude of 0.300 cm at the antinodes.

asked Nov 13, 2021

1 answer

2 votes

75.9k views

A body is moving with a uniform acceleration of 2m/s² what does it mean?

asked Oct 24, 2021

1 answer

4 votes

220k views

3x + 8 – 2(1 – x) = 1

asked Oct 14, 2021

2 answers

4 votes

93.7k views

Which of the following best describes a solid? A matter is made of atoms so tightly packed together that they cannot move around B takes the shape and volume of its container C has a definite volume, but

asked Oct 6, 2021

2 answers

4 votes

183k views

What is the additive inverse of -17 ? a) -16 b) -71 c) 17 d) 0

asked Aug 21, 2021

1 answer

1 vote

115k views

Read the paragraph from a student’s essay. The bicycle is a common, simple form of transportation that has existed for hundreds of years. However, over time, the bicycle has undergone many changes to keep

asked Aug 2, 2021

2 answers

2 votes

161k views

What was the first battle of the civil war??

asked Jun 27, 2021

2 answers

5 votes

158k views

All of the following are true of the United States Senate EXCEPT: A. The President of the Senate is the Vice President of the United States. B. Each state is represented by two individuals elected to the

asked May 24, 2021

2 answers

4 votes

126k views

Unfortunately, Tori doesn't have enough money in her account right now. She needs to make additional contributions at the end of each of the next five years to be able to pay for the repairs. Her account

asked Apr 12, 2021

1 answer

5 votes

179k views

Please help ASAP, thank you and have a good night/day❤️

asked Mar 25, 2021

1 answer

1 vote

202k views

What is the correct order of these items from smallest to largest radius? Group of answer choices Na+ < F- < O2- Na+ < O2- < F- O2- < F- < Na+ O2- < Na+ < F-

asked Mar 2, 2021

1 answer

0 votes

126k views

. Complete the sentence with the correct form of aller and the correct preposition. Je ________ ________ Mexique. (2 points) vais au vais en vas à vas aux

asked Dec 26, 2020

2 answers

0 votes

179k views

A group of related objects is a(n)

asked Dec 20, 2020

2 answers

5 votes

189k views

Which phrase describes a characteristic of a scientific law? used to make a prediction can change over time is a factual statement explains an observation i meant science whoops

asked Oct 9, 2020

2 answers

3 votes

38.0k views

Why was Robert Boyle's investigation of the properties of gases important to the scientific revolution? A. He applied the philosophy of experimentation according to the scientific method. B. His findings

asked Jul 8, 2020

1 answer

1 vote

223k views

Rita has two small containers, one holding a liquid and one holding a gas.Rita transfers the substances to two large containers. Compare the behavior of the atoms in the liquid and in the gas once they

asked Jun 27, 2020

2 answers

2 votes

19.0k views

Population y grows according to the equation dy/dt=ky, where k is a constant and t is measured in years. if the population doubles every 10 years, then the value of k is

asked Oct 20, 2019

1 answer

5 votes

202k views

triangle abc has coordinates a(1,-1), b(0,2) and c(2,1) and it is reflecting over the line y = -x to form triangle a’b’c’ that are the coordinates of triangle a’b’c’

asked Mar 20, 2019

1 answer

0 votes

55.6k views

What does r over -3=12 equals

asked Oct 20, 2018

2 answers

4 votes

230k views

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