Questions by Changzhi

Questions by Changzhi

The average titration volume of the 0.09876 M NaOH used in back titration is 29.59 ml. Calculate the number of mmoles of HCl in the 250 ml volumetric flask.

asked Nov 8, 2021

1 answer

4 votes

223k views

There are 36 boys for every 24 girls (36 : 24 ratio)

asked Oct 17, 2021

2 answers

4 votes

139k views

Which statement explains why a short eyeball causes farsightedness? O The rays of light focus directly on the retina. O The rays of light focus beyond the retina. O The rays of light focus next to the

asked Oct 11, 2021

1 answer

4 votes

119k views

What is enzyme and what is it role in a reaction

asked Oct 5, 2021

1 answer

3 votes

57.4k views

Solve logx = 6.4 by changing it to exponential form. a. X= 6.4 b. X= 6.4^10 c. X=-64 d. x= 10^6.4 answer is D

asked Jul 14, 2021

1 answer

3 votes

51.8k views

The declaration of independence reflects the principle of

asked Jun 3, 2021

1 answer

2 votes

108k views

Which organelle is responsible for packaging and sending out proteins to their proper destinations? Choose 1 answer: Lysosome Golgi body С Mitochondria D Nucleus

asked May 21, 2021

1 answer

1 vote

128k views

Please help I need all

asked Apr 28, 2021

1 answer

4 votes

230k views

There are 486 hamsters at a private showing of a new documentary about humans. If there are 12 seats in each row, about how many rows will hamsters fill ? Chose the best estimate

asked Jul 2, 2020

1 answer

4 votes

209k views

Que es la pachamama para casilda la tierra de las papas

asked May 14, 2020

1 answer

5 votes

14.3k views

What is a business opportunity?

asked Apr 3, 2020

2 answers

5 votes

122k views

Which of the following describes Africa between the 1960s and 1980s? Most conflicts were with European nations. It was a time of peace. Military dictatorships tried to force tribes to stop civil wars and

asked Nov 1, 2019

1 answer

3 votes

57.9k views

What statement best describes the life of the Spartan women? A. As in other Greek city-states, the girls and women of Sparta did not go out in public alone. B. Spartan culture encouraged women to limit

asked Oct 28, 2019

1 answer

2 votes

50.3k views

What does "standardized testing" mean?? I've looked it up but I'm still pretty confused on what it actually is... Could someone explain it to me?

asked May 28, 2019

1 answer

2 votes

106k views

Which three characteristics of an object are represented by a motion map

asked May 27, 2019

1 answer

3 votes

88.1k views

A test to detect an infection gives a positive result 98% of the time if a person is infected, and it is 97% accurate for people who are not infected. What percentage of results will be false positives?

asked May 25, 2019

1 answer

3 votes

133k views

The explicit formula for the nth term of an arithmetic sequence is an=a1+(n-1)*d. What is the simple formula corresponding to the explicit formula if the first term of the sequence is -10 and the difference

asked Apr 2, 2019

1 answer

1 vote

170k views

Please help!! I need to know this by today

asked Sep 22, 2018

1 answer

3 votes

71.7k views

Identify the subject(s) of the following sentence. In the desk drawer are a tablet of paper and some pens. A. paper, pens B. paper C. drawer D. tablet, pens

asked Aug 8, 2018

1 answer

1 vote

132k views

Please help me figure this out I need to pass

asked Mar 19, 2018

2 answers

5 votes

186k views

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