Answer:
Il of the above are part of the Kinetic Molecular Theory
Explanation:
Answer:
1 mole of 02=6.022*10^23 02 molecules 1 02 molecules
Explanation:
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Answer:
C6H6
Explanation:
We can obtain the molecular formula from the empirical formula.
What we need do here is:
(CH)n = 78
The n shows the multiples of both element present in the actual compound. It can be seen that carbon and hydrogen have the same element ratio here. We then use the atomic masses of both elements to get the value of n. The atomic mass of carbon is 12 a.m.u while the atomic mass of hydrogen is 1 a.m.u
(1 + 12)n = 78
13n = 78
n = 78/13 = 6
The molecular formula is
(CH)n = (CH)6 = C6H6
Answer:
5.68 × 10⁴ mL = 56.8 L
Explanation:
Volume is defined as the amount of three-dimensional closed space. The SI unit of volume is cubic metre which is denoted by the symbol m³.
According to the metric system, other units of volume include: litre (L), millilitre (mL) and cubic centimetre (cm³).
Since, 1 mL = 0.001 L = 10⁻³ L
Therefore, 5.68 × 10⁴ mL = 5.68 × 10⁴ × 10⁻³ L = 5.68 × 10 L = 56.8 L
5.68 × 10⁴ mL = 56.8 L, has three non-zero significant figures.
Answer: While there is no cure for Down Syndrome, there are therapies, treatments, and educational support available to improve the quality of life of those affected. The exact course of treatment will depend on the individual, taking into account the person’s age, overall health, environment, and personal strengths and limitations. Some example of therapies available are: speech-language therapy, physical therapy, occupational therapy, and assistive technology.
