Questions by Yu Zhang

Questions by Yu Zhang

Kb for ammonia (NH3) is 1.76 x 10-5 What is Ka for ammonium, its conjugate acid. (NH4+) 3 sig figs Answer: 5.68x10^-10 Using the answer above, what is the pH of a 0.140 M solution of NH4+?

asked Oct 1, 2024

2 answers

4 votes

164k views

Which of the following signs and symptoms are expected for an individual with fibromyalgia? A. Hyperactivity B. Increased pain threshold C. Decreased sensitivity to pressure D. Widespread pain and tenderness

asked Sep 19, 2024

1 answer

3 votes

95.2k views

What are symptoms of Varicose veins?

asked Aug 5, 2024

1 answer

0 votes

89.8k views

Sell biceps : sculpting the biceps Squeeze in the bicep

asked Mar 25, 2024

1 answer

2 votes

189k views

The formula for the area of a triangle is A=1/2 bc where b is the length of the base and h is the height find the height of a triangle that has an area of 30 square unties and a base measuring 12 units

asked Jun 7, 2023

1 answer

2 votes

153k views

(2x² - 6x + 5) + (7x²-x-9) need help finding sum or difference

asked Mar 1, 2023

1 answer

2 votes

36.3k views

In the figure above, if l ll m and r ll s, what is the value of x? A) 65 B) 80 C) 85 D) 95 E) 115 Check the photo and please show the steps

asked Dec 18, 2022

1 answer

2 votes

77.6k views

Proteins are important for the human body. Besides carbon, hydrogen and oxygen, which other element is found in protein? A. argon B. helium C. uranium D. nitrogen

asked Nov 23, 2022

2 answers

3 votes

219k views

Help plsssssssss noww!!!!!!!!

asked Oct 13, 2022

1 answer

0 votes

85.9k views

Women could not vote in any state except

asked Oct 11, 2022

1 answer

5 votes

68.9k views

1. ¿Por qué la economía depende de la calidad de la educación? O Porque la educación crea información. O Porque la calidad de la economía depende de la calidad de los maestros. O Porque la calidad de la

asked Jun 22, 2022

1 answer

3 votes

93.6k views

my neighbors ( are always playing _ always play _ always playing _ have always playing) music late at night. it drives me crazy

asked May 8, 2022

2 answers

2 votes

98.0k views

Plssss help!!!! If Marissa has 52 molecules of Carbon Oxide, How many moles are there?

asked Apr 18, 2022

1 answer

13 votes

208k views

The maximum displacement of an oscillatory motion is A=0.49m. Determine the position x at which the kinetic energy of the particle is half it's elastic potential energy

asked Mar 4, 2022

1 answer

22 votes

79.8k views

$26,088,808.74 + $34,311,887.98 =

asked Feb 19, 2022

2 answers

12 votes

139k views

Circle O has a circumference of 88π cm What is the length of the radius of the circle? _____cm

asked Dec 11, 2021

2 answers

0 votes

117k views

“Do the right thing even when no one is looking.” -C.S. Lewis What does this quote make you think of? How can you apply this to your own life? Can you relate?

asked Nov 25, 2021

2 answers

2 votes

184k views

Can someone help me please

asked Oct 28, 2021

1 answer

4 votes

51.3k views

PLEASE HELP slove for X 37 19.25 10.375 41

asked May 7, 2021

2 answers

4 votes

171k views

Si: P(x) = 3x ; R(x) = 2x ; calcula : P(R (0))

asked Mar 17, 2021

1 answer

1 vote

235k views

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