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An aqueous solution with sulfur 10 g/L at the rate is 100 L/min and an organic compound with no sulfur at the rate 50 L/min were put into an extraction machine and produced an aqueous solution with sulfur 1 g/L, what is the amount of sulfur in the organic compound after extraction?
What is the monoisotopic and average mass of valine? Given data: Mass of the most abundant isotope of Carbon (C°)=12.0000, Mass of most abundant isotope of Hydrogen (H°)=1.0078, Mass of most abundant isotope of Oxygen (O°)=15.9949, Mass of most abundant isotope of Nitrogen (N°)=14.0031, The average mass of Carbon (C)=12.011, The average mass of Hydrogen (H)=1.008, The average mass of Oxygen (O)=15.999, The average mass of Nitrogen (N)=14.007.
The phases of the moon as we see from the Earth are due to changing relative positions of the sun, the earth and the moon. Which of the following statements is true. A. on a full moon day, the earth comes between the sun and the moon B. on a new moon day, the moon is in between the earth and the sun C. on a full moon day, the moon is in between the earth and the sun D. on a new moon day, the earth is between the sun and the moon? E. on a new moon day, the sun is between the moon and the earth
In this question, the first and last sentences of the passage are numbered 1 and 6. The rest of the passage is split into four parts and named P, Q, R, and S. These four parts are not given in their proper order. Read the sentence and find out which of the four combinations is correct. S1: A force exists between everybody in the universe. P: Normally it is very small but when one of the bodies is a planet, like earth, the force is considerable. Q: It has been investigated by many scientists including Galileo and Newton. R: Everything on or near the surface of the earth is attracted by the mass of the earth. S: This gravitational force depends on the mass of the bodies involved. S6: The greater the mass, the greater is the earth's force of attraction on it. We can call this force of attraction gravity. The Proper sequence should be:
S1:A force of exists between everybody in the universe.
P :Normally it is very small but when the one of the bodies is a planet, like earth, the force is considerable.
Q :It has been investigated by many scientists including Galileo and Newton.
R :Everything on or near the surface of the earth is attracted by the mass of earth.
S :This gravitational force depends on the mass of the bodies involved.
S6:The greater the mass, the greater is the earth's force of attraction on it. We can call this force of attraction gravity.

The Proper sequence should be:
Which of the following is incorrect regarding Escape velocity? a. It doesn’t depend on the mass of the object. b. It depends on the mass of the object. c. From the earth it depends on the mass and gravity of the earth. d. From earth it is 12.20 km/s.
Consider the following statements about "Mass Extinction" 1. Mass extinction refers to when the Earth loses more than three-quarters of its species in a geologically short period of time. 2. So far, during the entire history of the Earth, there have been four mass extinctions, and we are experiencing the sixth mass extinction. Which of the above statements is/are incorrect?
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All Matter is Space. Some Mass is Matter. Conclusions: A. All Mass is Space. B. Some Mass is Space. C. Some Space is Mass. D. All Space is Mass. E. All Matter is Mass.
Which of following is not a part of emission gases released in coal combustion? (a) Nitrogen oxides (b) Sulfur dioxide (c) Particulate matter  (d) Mercury (e) Sulfur dioxide (f) Ozone (g) Soot (h) Smog
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C, and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Various governments have made efforts since the 1970s to reduce the release of sulfur dioxide and nitrogen oxide into the atmosphere with positive results. B: Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids. C: It can have harmful effects on plants, aquatic animals, and infrastructure. D: Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions.