Recent activity by Jiajun

Recent activity by Jiajun

The concentration of hydrogen ions [H⁺] in a solution is 4.5 × 10⁻² M. What is the pH? a) 1.35 b) 2.35 c) 4.50 d) 5.35

answered Nov 22, 2024

1 answer 229k views

Complete the process of solving the equation. Fill in the missing term on each line. Simplify any fractions. 4c+16=20 4c= Subtract 16 from both sides c= Divide both sides by 4

answered Nov 5, 2024

2 answers 150k views

Which of the following caused the tsunami that killed 159 people in 1946? a) Earthquake b) Volcanic eruption c) Meteor impact d) Landslide

answered Oct 8, 2024

1 answer 96.1k views

Discuss and provide answers to a full packet on Newton’s laws of motion.

asked Aug 11, 2024

1 answer 160k views

Simplify. Express your answer using positive exponents. n9n4

asked Jul 16, 2024

1 answer 39.0k views

You are a trainer and are called on to the field where a player is down with a severe cramp of his right hamstring (biceps femoris) muscle. You know that cramps are caused by over-active motor nerve activity

asked Jul 9, 2024

1 answer 114k views

How did Andrew Carnegie's family escape poverty?

answered Jul 1, 2024

1 answer 159k views

Which of the following do bankers take into account when determining how to allocate their assets? a. The total value of liabilities b. The size of the monetary base c. The riskiness of each asset d. The

asked Jun 13, 2024

1 answer 130k views

Water has a high surface tension. The best way to explain this observation is a. the effect of water's high boiling point b. the effect of the molecular weight of water molecules c. the effect of solute

answered May 16, 2024

1 answer 48.0k views

What are the options for Wi-Fi if the 2.4 GHz band is over-crowded?

asked Apr 26, 2024

1 answer 80.6k views

How much CO does the myocardium receive at rest? What is that in ml/min? a) 20% of total CO; 70 ml/min b) 5% of total CO; 250 ml/min c) 15% of total CO; 150 ml/min d) 10% of total CO; 300 ml/min

answered Apr 18, 2024

1 answer 67.9k views

The graph of y= a sinx° + b is drawn on the grid. Find the value of a and the value of b

asked Apr 16, 2024

1 answer 53.5k views

Direct indirect characterization outsiders chapter 1 answers Options: A. "In Chapter 1 of 'The Outsiders,' direct characterization prevails, offering explicit insights into the characters." B. "Indirect

asked Mar 18, 2024

1 answer 71.0k views

Consider a system of identical but distinguishable particles, each of which has two states, with energies ε and −ε. a) calculate the entropy in the microcanonical ensemble. Use Stirling approx- imation

asked Jan 24, 2024

1 answer 76.6k views

1 litre of fruit juice costs R25 and 1,5 litre costs R35 which one is cheaper

asked Jan 8, 2024

1 answer 83.8k views

suppose h(t)=-0.2t^2+2t models the height, in feet of a ball that is kicked into the air where as t is given time in seconds. after how many seconds does the ball reach maximum height. what is the maximum

asked Nov 27, 2023

1 answer 52.7k views

I need help write an algebraic expression to represent the following sentences.NUMBER 4

asked Nov 16, 2023

1 answer 10.0k views

Precalculus with trigonometry: concepts and applications answers

answered Nov 7, 2023

1 answer 146k views

Work out the area of the tile.

asked Nov 3, 2023

1 answer 44.7k views

Two marbles are drawn one by one from a well- shuffled box containing 2 gold marbles, 6 silver marbles and 9 bronze balls. (correct to 4 decimal places)a) find the probability that they are both gold marbles

answered Sep 17, 2023

1 answer 120k views

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