Questions by Mohamed Mohamed

Questions by Mohamed Mohamed

Which of the following would be an appropriate sequence of temperatures for PCR? ______ A) 94°C, 65°C, 72°C B) 65°C, 72°C, 94°C C) 72°C, 65°C, 94°C D) 94°C, 37°C, 55°C E) 94°C, 55°C, 37°C

asked Dec 21, 2024

1 answer

0 votes

156k views

Two trains leave the station going in the opposite direction at x miles from the station, each train makes a right turn and travels Y miles to the destination. How far are the destinations from each other?

asked Dec 16, 2024

1 answer

4 votes

220k views

the partial molar volumes of acetone (propanone) and chloroform (trichloromethane) in a mixture in which the mole fraction of CHCl₃ is 0.4693 are 74.166 cm³ /mol and 80.235 cm³ /mol, respectively. what

asked Dec 9, 2024

1 answer

0 votes

231k views

Which of these is NOT continuous data: A. Number of cars sold in a day B. Volume of water in a swimming pool each day C. Person's weight on their birthday D. Person's height on their birthday

asked Aug 26, 2024

1 answer

4 votes

134k views

What are 2 parts are separated by the glass/metal envelope?

asked Aug 22, 2024

1 answer

0 votes

215k views

What is meant by atomic number and mass number of an atom? Two atoms X and Y are denoted as follows. Find out the atomic number and valency of X and Y. (i) 20 10 X (ii) 27 13 Y

asked May 17, 2024

1 answer

4 votes

214k views

Photons of an electromagnetic radiation has an energy 11 keV each. To which region of electromagnetic spectrum does it belong? (A) X-ray region (B) Ultra violet region (C) infrared region . (D) visible

asked May 3, 2024

1 answer

2 votes

62.9k views

The nurse is caring for acutely ill patient what assessment finding should prompt the nurse to inform the physician that the patient may be exhibiting signs of acute kidney injury (AKI) a) Elevated blood

asked Feb 9, 2024

1 answer

0 votes

115k views

Write each decimal as a fraction or mixed number in simplest form 1.-0.14 2.0.27

asked Oct 14, 2023

1 answer

4 votes

190k views

Explain how the Catholic Church influenced European food practices during the Middle Ages.

asked Aug 1, 2023

1 answer

1 vote

186k views

The Percentage of salt-water vs. fresh-water:???%

asked Mar 16, 2023

1 answer

9 votes

133k views

Which property is illustrated by the following statement? 6x(yz)=(6x)yz

asked Feb 1, 2023

1 answer

2 votes

125k views

What is main difference between fresh water & ocean water ecosystem? the animals that live there one is deep & one is shallow one has salt & one does not the location of fresh and salt water ecosystems

asked Nov 6, 2022

1 answer

11 votes

149k views

What is a similarity between Ancient Greece and the United States in their system of government? A They both have an oligarchy: a government controlled by the nobility B They both have a dictatorship:

asked Oct 22, 2022

2 answers

5 votes

174k views

What is the mechanical advantage of the following pulley? The pulley has six supporting ropes but the force end is down.

asked Oct 22, 2022

1 answer

23 votes

212k views

True or False: cot = 1/tan

asked Oct 16, 2022

2 answers

3 votes

215k views

In a class of students, the following data table summarizes how many students have a brother or a sister. What is the probability that a student chosen randomly from the class does not have a sister? Has

asked Jul 26, 2022

1 answer

0 votes

212k views

Which of the following databases provides end-of-day daily prices and historical prices for U.S. Corporate, Treasury and Agency bonds and non-U.S. Corporate and Government bonds and covers over 80,000

asked Jul 4, 2022

1 answer

4 votes

45.5k views

HELP ASAP: Read the excerpt from "Little Brother" and answer the question. After a heated classroom discussion with his substitute teacher following a terrorist attack, Marcus is sent to the assistant

asked Apr 1, 2022

1 answer

5 votes

92.4k views

Between what two consecutive integers is each number located on the number line -1.1

asked Jan 6, 2022

1 answer

5 votes

6.4k views

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