Answer: Number of Significant Figures: 3
The Significant Figures are 6 0 2
Explanation:
6.02 x10^5
Significant figures are the digits of a number that are meaningful in terms of accuracy or precision. They include:
Any non-zero digit
Zeros between non-zero digits as in 3003 or 45.60009
Trailing zeros only when there is a decimal point as in 6750. or 274.3300
Answer:
cheese and bread
Explanation:
2 bread 1 cheese = cheese sandwich
Answer:
=<em><u> 0.42 moles of CO2 </u></em>
Explanation:
From Avogadro's constant
6.02×10^23 molecules are in 1 mole of CO2
2.54×10^23 molecules will be in
=[(2.54×10^23) ÷ (6.02×10^23)]
= 0.42 moles of CO2
Answer:
Answer to A. helium, neon, argon, krypton, xenon, and radon, B. Elemental hydrogen (H, element 1), nitrogen (N, element 7), oxygen (O, element 8), fluorine (F, element 9), and chlorine (Cl, element 17) are all gases at room temperature, and are found as diatomic molecules (H2, N2, O2, F2, Cl2). C. Elements Compounds
Ar (argon) HBr (hydrogen bromide) C 3H 8 (propane)
Kr (krypton) HI (hydrogen iodide) C 4H 10 (butane)
Xe (xenon) HCN (hydrogen cyanide)* CO (carbon monoxide)
Rn (radon) H 2S (hydrogen sulfide) CO 2 (carbon dioxide)
Explanation:
Answer:
An atom is composed of them
Explanation:
