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Vanyuwa [196]
3 years ago
7

A 2.87 g sample of carbon reacts with hydrogen to form 3.59 g of car fuel. What is the empirical formula of the car fuel?

Chemistry
1 answer:
koban [17]3 years ago
5 0
This is the Answer:

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The use of existing information in books, articles, and electronic databases is known as Group of answer choices Primary researc
BARSIC [14]

Answer:

Secondary research  

Explanation:

Secondary research involves using already existing data, like what can be found in in books, articles, and electronic databases.

A is wrong. Primary research is the research that you do to obtain new information, as in experiments or in interviews and surveys.

B is wrong. Qualitative research is the gathering of non-numerical data.

C is wrong. Summative research is done at the end of a project to determine its success. It can also point the way to future research projects.

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A certain polyatomic ion contains 49 protons and 50 electrons. What's the net charge of this ion?
timurjin [86]

Explanation:

B more negative charges than positive charges

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3 years ago
If you produce 10 moles of oxygen gas, how many grams of water did you start with?
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4 years ago
Define relative atomic mass?​
SVEN [57.7K]

Answer:

The relative atomic mass of an element is defined as the weight in grams of the number of atoms of the element contained in 12.00 g of carbon-12.

Or

Its just another term for atomic mass.

Explanation:

6 0
2 years ago
Which quantity represented by the symbol Ne
neonofarm [45]
The quantity is 1 mole of neon
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