Hydrocarbons contain only _____. carbon and hydrogen carbon, hydrogen, and oxygen carbon and nitrogen carbon and helium
2 answers:
<u>Answer:</u> The correct answer is hydrogen and carbon.
<u>Explanation:</u>
Hydrocarbons are defined as the compounds in which covalent bond is present between hydrogen and carbon atom. They are also called as organic compounds.
If any other atom other than hydrogen and carbon is present, it is not considered as hydrocarbon.
For Example: is an organic compound but
is not an organic compound.
Hence, the correct answer is hydrogen and carbon.
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Answer: 15.8 g of will be required to produce 1.60 grams of
Explanation:
To calculate the moles :
According to stoichiometry :
As 1 mole of is given by = 2 moles of
Thus 0.05 moles of is given by =
of
Mass of
Thus 15.8 g of will be required to produce 1.60 grams of
Answer:
<h2>9 g/mL</h2>Explanation:
The density of a substance can be found by using the formula
From the question we have
We have the final answer as
<h3>9 g/mL</h3>Hope this helps you
Explanation: A <u>homogeneous mixture</u> is a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample. The components that make them up are evenly distributed and the appearance of the solution is uniform throughout.
A<u> heterogeneous mixture</u> has components whose proportions vary throughout the sample. The components of a heterogeneous mixture are visible and not uniform throughout. A heterogeneous mixture is simply any mixture that is not uniform in composition.
a) Peanuts and almonds mixed together in a bowl : The components(Peanuts and almonds) are visible in a bowl and are not evenly distributed and also not uniform throughout. So this is a 'heterogeneous mixture'.
b) Bucket full of sand and gravel : The components(sand and gravel) are visible in a bucket and are not evenly distributed and also not uniform throughout. So this is a 'heterogeneous mixture'.
c) Cup of tea and sugar : The components(tea and sugar) are evenly distributed and the appearance of the solution is uniform throughout. So this is a 'Homogeneous mixture'.
d) Food coloring dissolved in water : The components(Food coloring and water) are evenly distributed and the appearance of the solution is uniform throughout. So this is a 'Homogeneous mixture'.
