Answer:
Q1: NO
Q2: NO
Explanation:
Step 1: Given data
Percentage by mass of nitrogen: 46.68%
Percentage by mass of oxygen: 53.32%
Step 2: Divide each percentage by the mass of the element
N: 46.68/14.01 = 3.332
O: 53.32/16.00 = 3.332
Step 3: Divide both numbers by the smallest one (in this case is the same)
N: 3.332/3.332 = 1
O: 3.332/3.332 = 1
The empirical formula is NO. Its molar mass is 30.01 g/mol.
Step 4: Calculate "n"
n = molar mass of the molecular formula / molar mass of the empirical formula
n = (30.01 g/mol) / (30.01 g/mol) = 1
Step 5: Determine the molecular formula
We do so by multiplying the empirical formula by "n".
NO × 1 = NO
Iron(III) oxide = Fe₂O₃
Carbon = C
Carbon monoxide = CO
Iron = Fe
Fe₂O₃ + C ⇒ CO + Fe
These are the correct formulas, but the equation is not balanced. There are two Fe's on the left side, so we have to put a 2 in front of the Fe on the right. Also, there are 3 O's on the left but only 1 on the right, so we need to put a 3 in front of the CO; however, this 3 makes it 3 C's on the right, so we balance that off by putting a 3 in front of the C on the left:
Fe₂O₃ + 3C ⇒ 3CO + 2Fe
Answer:
6 chromosomes.
Explanation:
In a normal cell with 46 chromosomes, there are 23 chromosomes at the end of meiosis. So using that example we can determine that there will be 12 chromosomes at the beginning, and 6 chromosomes at the end.
Although lipids hold the majority of the body's energy reserves, glycogen is the body's primary energy source.
Glucose is a polymer that makes up glycogen. Our body's primary source of energy is carbs. The remaining glucose in the body is turned into glycogen and stored in various places, but the majority of our body's energy reserves are found in fats, which are kept in the form of lipids.
Where does the energy come from in the muscles?
The chemical energy that is stored in our meals is used by muscles to produce heat and motion energy (kinetic energy). Energy is necessary for maintaining body temperature, promoting physical activity, and enabling tissue growth and repair. Foods high in protein, fat, and carbohydrates provide energy.
What Takes Place to Muscles in the Absence of Glucose?
Your body converts carbs, such as those found in bread or fruit, into glucose after consumption. Glycogen is the form of glucose that is stored in your muscles and liver and is used for energy when you are not eating or while you are exercising.
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