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Kitty [74]
3 years ago
8

True or False: DNA is our genetic make-up. It is why we have a certain eye

Chemistry
2 answers:
alexira [117]3 years ago
7 0
True because it tells us everything about ourselves
marishachu [46]3 years ago
7 0

Answer:

TRUE

Explanation:

Genes are made of a chemical called DNA, which is short for 'deoxyribonucleic acid'. The DNA molecule is a double helix: that is, two long, thin strands twisted around each other like a spiral staircase. The sides are sugar and phosphate molecules.

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When acetic acid reacts with ammonia, NH3, the reaction yields ________.
mezya [45]

Answer:

Acetamide

Explanation:

The reaction can be expressed as:

CH₃COOH + NH₃ → CH₃CONH₂ + H₂O

It's worth mentioning that this reaction would have a better yield if we use an appropiate catalyst such as DCC, in order to prevent an acid-base reaction and instead have the previous <em>amidation</em> reaction.

4 0
3 years ago
What are the rules for writing
Alborosie

Answer:

When naming molecular compounds prefixes are used to dictate the number of a given element present in the compound. ” Mono-” indicates one, “Di-” indicates two, “Tri-” is three, “Tetra-” is four, “Penta-” is five, and “Hexa-” is six, “Hepta-” is seven, “Octo-” is eight, “Nona-” is nine, and “Deca-” is ten.

6 0
3 years ago
When making a fire, without gas, matches, or a lighter, what are two important things about the wood?
Allushta [10]

Answer:

that is a solid and that there are other ways to make a fire?

5 0
3 years ago
Read 2 more answers
An unconformity is an __ of rock
d1i1m1o1n [39]

An unconformity is a missing layer of rock, in other words an erosion separating two units of rock.

3 0
3 years ago
CH4+ 2O2&gt;CO2 + 2H2O
Karolina [17]

Answer:

The given reaction is combustion reaction heat is also produced.

Explanation:

Chemical equation:

CH₄ + 2O₂  → CO₂ + 2H₂O

The given reaction is combustion of methane. When methane burn it produced water and carbon dioxide. Heat is also produced.

The given reaction followed the law of conservation of mass.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

Explanation:

This law was given by french chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

CH₄ + 2O₂  → CO₂ + 2H₂O

There are equal number of carbon hydrogen and oxygen atoms present on both side of equation. So it follow the law of conservation of mass.

4 0
4 years ago
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