Recent activity by Yu Jinyan

Recent activity by Yu Jinyan

citric acid is a triprotic acid with a molar mass of 192.12 g/mol. it has three carboxylic acid groups, as shown in figure 8.14. it is found in lemon juice and other citrus products and is widely used

answered Jul 29, 2024

1 answer 137k views

Which of the following postulates is not true? a) Two angles whose measures add up to 180º are supplementary. b) The sum of the measures of the interior angles of a triangle is 360º. c) If a=b and b=c,

answered Jun 23, 2024

1 answer 156k views

which of the following types of presidential powers has been consistently used by president trump to circumvent congress?

answered Jun 8, 2024

1 answer 131k views

Growth is measured as exponential or logistic growth. Exponential growth: a) Occurs when a population grows faster and faster as time goes on. b) Occurs when a population slows down and eventually stops

asked May 5, 2024

1 answer 40.9k views

We will begin neural communication with the terminal buttons of the sending neuron. what is another name for this neuron? a. Postsynaptic neuron b. Presynaptic neuron c. Dendritic neuron d. axon

answered Feb 8, 2024

1 answer 89.6k views

NEED THIS ASAP PLEASE HELP Which of these is an example of a physical change? A. a banana ripening in the air B. hydrogen burning in the air C. zinc reacting with an acid D. liquid water turning into vapor

asked Dec 17, 2023

1 answer 102k views

Name and explain the meaning of each of the three Jewish symbols below.

answered Dec 7, 2023

2 answers 94.8k views

Each box holds 48 pencils. The chart below shows the number of pencils in 1 box and 5 boxes. Help ASAP please

answered May 17, 2023

1 answer 68.5k views

{(-2, 5), (-1, 2), (0, 1), (2,5)} Which points are on the graph of the inverse? Select each correct answer. (5,2) (2, 1) - (-5, 2)

answered Apr 27, 2023

1 answer 9.7k views

Based on the results in the table, which is the best prediction of how many times Paola will draw a blue or a red marble in 5,000 trials?

answered Mar 21, 2023

1 answer 231k views

How would you write 125/6^−4using a positive exponent?

answered Mar 16, 2023

2 answers 151k views

You gotta look at the picture and look at the questions they asked

asked Feb 1, 2023

1 answer 211k views

What does the slope of graph show about the Hardware stores selling price for the rope?

answered Jan 15, 2023

2 answers 222k views

The frequency n of vibration of a stretched string is a function of its tension F, the length l and the mass per unit length m. From the knowledge of dimensions, prove that, n∝1/l √f/m Pls fast

asked Nov 2, 2022

1 answer 38.6k views

If p(x) = 3x³-7x-4 and g(n)-4x^3-7x^2- 2x are polynomials then find the degree of p(x)+q (x)

answered Aug 14, 2022

1 answer 103k views

1. How do I find slope on graphs? 2.How does a change in slope affect the graph of a line?

answered Aug 10, 2022

2 answers 122k views

10 pointss................

answered Jul 24, 2022

2 answers 219k views

Is an example of a fish-poisoning intoxication own from the consumption of tropical fish

answered Jul 16, 2022

1 answer 130k views

What are chromatin threads

answered Apr 20, 2022

2 answers 144k views

Answer for both boxes please :)

answered Mar 17, 2022

2 answers 193k views

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