8ec9bn3xab 8ec9bn3xab

25-09-2022
Chemistry

Answered

SEP Use Mathematics Review the calculation for the atomic mass of carbon,
which is 12.011 amu. Why is the atomic mass rounded to the thousandths place,
rather than expressed to the ten-thousandths place?

Answer :

Other Questions

(c) Scientific models of the atom have changed over time. Draw one line from each description of the atomic model to the stage in the development of the atomic

4NaOH+2H₂CO3→2Na₂CO3+4H2O What is the mass of 2H₂CO3? Are the reactants elements or compounds?

A fictitious element x has an average atomic mass of 122. 224 u. Element x has two naturally occuring isotopes. The most abundant isotope has an isotopic mass o

Categorize each statement as describing the behavior of either mass or energy and place each statement in its correct location. Statements may be used to descri

Why is the Heisenberg uncertainty principle true at the atomic level?

When NaHCO, completely decomposes, it can follow this balanced chemical equation: Na₂CO3 + H₂CO3 2NaHCO3 - A. Determine the theoretical yields of each product u

The threshold frequency for lithium is 6.00x1014 Hz. If the total energy emitted by a sample of lithium is 8.60 kJ, a.) Calculate the number of atoms present i

Compare the density values for the solid in part II. The actual density of our solid is 8.9 g/mL. Are the densities of the solid precise and accurate? Explain y

write out each of the following numbers in long form: b) 3.5 x 10 to the -5 power f) 5 x 10 to the -6 power g) 9.823 x 10 to the -9 power i) 2.6 x 10 to the -4

The largest ruby in the world is 10.9 cm long, 9.10 cm wide, and 5.80 cm high. Since the density of ruby is 3.97 g/cm3, the mass of this ruby is g. Round to the