Questions by Petri Lehtinen

Questions by Petri Lehtinen

What is the net charge of glycine found in a solution with pH=4 (pK1=2.35 for carboxyl group, pK2=9.78 for amino group)? A) -2 B) -1 C) 0 D) +1

asked Nov 21, 2024

1 answer

0 votes

194k views

Please please help me! I need help

asked Nov 19, 2024

1 answer

4 votes

62.4k views

In a math class with 20 students, a test was given the same day that an assignment was due. There were 10 students who passed the test and 15 students who completed the assignment. There were 8 students

asked Oct 14, 2024

1 answer

1 vote

44.7k views

Which of the following intermediate oxidation states are stable with respect to possible oxidation reactions of the elements in media without oxygen and without complex formation: a) Germanium (II) b)

asked May 22, 2024

1 answer

2 votes

232k views

Why is it important to provide patients with post-op instructions?

asked Feb 11, 2024

1 answer

4 votes

1.4k views

What is the solution of startroot negative 4 x endroot = 100? x = –2500 x = –50 x = –2.5 no solution

asked Dec 14, 2023

2 answers

6 votes

67.5k views

Write an equation in point-slope form of the line that passes through the point (2, -8) and has a slope of 4

asked Nov 5, 2023

1 answer

24 votes

115k views

Write the equation of each parabola based on the given information. Focus = 3,6Directrix y=8

asked Jul 23, 2023

1 answer

5 votes

49.4k views

What is the slope of the following linear equation? y = 4x - 7

asked Jul 9, 2023

1 answer

0 votes

148k views

How to solve for the Y? And how do you graph it?5x-y=-3

asked Mar 23, 2023

1 answer

1 vote

34.7k views

Complete each sentence with the correct past participle. 1. Ils se sont (lavée / lavés / lavées / lavé) les mains. 2. Elle ne s’est pas encore (couché / couchés / couchées / couchée) 3. Nous nous sommes

asked Feb 11, 2023

1 answer

12 votes

6.1k views

What geographical factor accounts for the fairly constant year-round temperatures in Southeast Asia?

asked Dec 16, 2022

1 answer

3 votes

217k views

Sample essay on toilet the happiness room

asked Nov 3, 2022

1 answer

0 votes

48.9k views

What is the theme Bruegel’s hunters in the snow

asked Oct 25, 2022

1 answer

2 votes

24.0k views

Fill in the blank with the correct word below (from the reading_): helps you track your progress once you have made a lifestyle change. Self-monitoring Healthy food Regular xxercise Goals

asked Oct 2, 2022

2 answers

11 votes

194k views

What is the measure of the angle supplementary to a 47.5 degree angle? 137.5 52.5 42.5 152.5

asked Oct 2, 2022

2 answers

0 votes

137k views

Which sentence about the brain during sleep is accurate? A. Decision-making is heightened through stronger cell connections B. Electrical activity during dreaming is like during wakefulness C. The frontal

asked Aug 11, 2022

1 answer

0 votes

90.5k views

Please answer correctly !!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!

asked Jun 9, 2022

1 answer

16 votes

85.7k views

Using the pattern, give the coefficients of (x + y)^5 and (x + y)^6

asked Feb 1, 2022

1 answer

3 votes

163k views

What is the simplified form of x + 4 / 5 + x + 5 / 5

asked Nov 28, 2021

2 answers

5 votes

173k views

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