Questions by Amaury Medeiros

Questions by Amaury Medeiros

Calculate the pH of a solution that is 0.291 M acetic acid and 0.123 M sodium acetate. The Ka of acetic acid is 1.76×10^–5 at 25°C. What is the pH of this mixture at 0°C?

asked Mar 5, 2021

1 answer

2 votes

200k views

Do you think solar roofs and energy storage batteries will become widespread in the future? Why or why not? 2. In your opinion, do the potential benefits of electric vehicles outweigh the potential costs?

asked Feb 15, 2021

1 answer

1 vote

33.9k views

what is the genetic phenomenon referred to as when two mutant strains can have offspring that have a wild-type phenotpe?

asked Feb 5, 2021

1 answer

4 votes

121k views

Find the missing value so that the two points have a slope of -2 (1,y)and (6,-5)

asked Sep 21, 2020

1 answer

4 votes

77.4k views

What’s the slope ? I don’t understand

asked Aug 22, 2020

1 answer

5 votes

20.1k views

At the beginning of the year, Uptown Athletic had an inventory of $640000. During the year, the company purchased goods costing $2020000. If Uptown Athletic reported ending inventory of $960000 and sales

asked Jul 15, 2020

1 answer

2 votes

77.9k views

What is the standard form for a quadratic? what are the 4 methods we can use to solve a quadratic?

asked Mar 1, 2020

2 answers

2 votes

144k views

Which price is cheaper? 20% off the original price of $29.99 or 10% off the original price of $26 for a book?

asked Nov 25, 2019

2 answers

1 vote

96.0k views

PLEASE HELP ASAP!!!! IS THIS CORRECT?

asked Jun 5, 2019

1 answer

5 votes

196k views

molecules tend to move from an area where they are more concentrated to an area where then are less concentrated. this process is called________?

asked May 17, 2019

1 answer

4 votes

93.1k views

Your body can manufacture certain amino acids as they are needed, others must come from your diet. the amino acids that come from your diet are known as:

asked Apr 26, 2019

1 answer

4 votes

193k views

The height of a trapezoid can be expressed as x – 4, while the bases can be expressed as x + 4 and x + 9. if the area of the trapezoid is 99 cm2 , find the length of the larger base.

asked Mar 22, 2019

2 answers

2 votes

101k views

A pair of jeans priced 20 $ are subjected 5 % sales tax. how much are the jeans

asked Jan 19, 2019

2 answers

2 votes

193k views

15 points!!!!!!!!!!!!!! help plz really important

asked Sep 3, 2018

2 answers

3 votes

57.0k views

Is 0.333... a rational number?

asked May 24, 2018

1 answer

2 votes

79.1k views

Who sets the salary of the president? A. Congress B. Senate C. Citizens D. Vice President

asked Feb 20, 2018

2 answers

0 votes

106k views

How to calculate 5 divided by 1/3

asked Feb 8, 2017

1 answer

5 votes

53.6k views

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