Chemistry, 23.10.2020 18:20 lineaeriksen

PL HEL M FOR BEING BRAINLIES How can chromatography be used to determine that 2 different pens were used to write the same paper? What is the purpose of water in this experiment?
Plz write in your words plz

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 19:30

What provides structure to the human body?

Answers: 2

Answer

Chemistry, 22.06.2019 08:00

Why is silver chloride is an ionic compound

Answers: 1

Answer

Chemistry, 22.06.2019 09:40

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need

Answers: 2

Answer

Chemistry, 22.06.2019 14:30

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.

Answers: 2

Answer

You know the right answer?

PL HEL M FOR BEING BRAINLIES How can chromatography be used to determine that 2 different pens were...

Questions

Mathematics, 02.02.2020 18:48

Select independent or not independent for each situation. a bag contains red marbles and blue marbles. a red marble is selected followed b...

Social Studies, 02.02.2020 18:48

Avoter who is not registered as a republicana. can vote in any republican primaryb. cannot vote in a closed republican primarysee. c...

Social Studies, 02.02.2020 18:48

Why was control of the mississippi river important to the north?...

Mathematics, 02.02.2020 18:48

Afarmer needs to buy fertilizer for two fields. one field is shaped like a trapezoid, and the other is shaped like a triangle. the trapezoidal field h...

History, 02.02.2020 18:48

Read the quote below and answer the question that follows. "ay me! for aught that i could ever read, could ever hear by tale or history, the course o...

Computers and Technology, 02.02.2020 18:48

Which statement about word processing software is true? a. you can use it to before mathematical calculations b. you can use...

Mathematics, 02.02.2020 18:48

How do you add, subtract, multiply, and divide integers?...

Biology, 02.02.2020 18:48

Which domain is composed of unicellular prokaryotes that have cell walls that do not contain peptidogcylan...

Mathematics, 02.02.2020 18:48

Write a division problem whose quotient has its first digit in the hundreds place...

History, 02.02.2020 18:48

Expalin why united states needed to expand its trade into new markets...

Mathematics, 02.02.2020 18:48

Alawn mower manufacturer incurs a total of $34,816 in overhead costs and $388 per lawn mower in production costs. how many lawn mowers were manufactur...

Mathematics, 02.02.2020 18:48

6sin _ _ 3 csc _ = 0 solve the equation for _ if 0á _ _ < 360á. (enter your answers as a comma-separated list.) *ok...

Mathematics, 02.02.2020 18:48

Do mah homework fill this chart pls...

Chemistry, 02.02.2020 18:48

If the earth were to begin to enter another ice age, which of the following characteristics might an animal survive?...

Mathematics, 02.02.2020 18:48

What is the compatiable numbers to find the two estimates of 1,624 divided by 3...

Mathematics, 02.02.2020 18:48

When x= 5 the value of the expression 20/-25 + x (x - 10) is...

Mathematics, 02.02.2020 18:48

What is the volume of the square pyramid with base edges 24 m and height 9 m?...

Chemistry, 02.02.2020 18:48

In which 0.01 m solution is phenolphthalein pink? (1) ch3oh(aq) (3) ch3cooh(aq) (2) ca(oh)2(aq) (4) hno3(aq)...

English, 02.02.2020 18:48

Which phrases describe both lakes and ponds? check all that apply. contain still, standing fresh water have no plants growing at the bott...

Mathematics, 02.02.2020 18:48

Can someone tell me how to factor out the coefficient of the variable in the simplest way possible ?...

More questions: Chemistry Another questions

PL HEL M FOR BEING BRAINLIES How can chromatography be used to determine that 2 different pens were used to write the same paper? What is the purpose of water in this experiment? Plz write in your words plz

Answers

Another question on Chemistry

PL HEL M FOR BEING BRAINLIES How can chromatography be used to determine that 2 different pens were used to write the same paper? What is the purpose of water in this experiment?
Plz write in your words plz