Cooks should use sea salt in recipes instead of regular table salt.
Answer
Protein, Amino Acid, RNA, DNA
Explanation
Nucleic acids are macromolecules that are made from units called nucleotides which occur naturally as DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).RNA contain ribose while DNA lacks the hydroxyl group .DNA is double stranded whereas RNA is single stranded.
Answer:
c. Law, because it describes how one variable affects another
Explanation:
A law enables you to predict what might happen if you do something. For example, you can use Boyle's Law to predict the volume of a gas if you double its pressure.
a and b are wrong, because a theory tries to explain why something happens.
d is wrong, because a law does not have to give an explanation.
Answer:
5.82 ×10⁴ j
Explanation:
Given data:
Mass of water = 25.7 g
Amount of heat to evaporate it = ?
Molar heat of vaporization = 4.07×10⁴ j/mol
Solution:
First of all we will calculate the number of moles of water.
Number of moles = mass/ molar mass
Number of moles = 25.7 g/ 18 g/mol
Number of moles = 1.43 mol
Energy needed for one mole is 4.07×10⁴ j.
For 1.43 mol:
1.43 mol × 4.07×10⁴ j/ 1mol
5.82 ×10⁴ j
