Ment Score: 0%
Resources
Give Up?
Hint
en 1 of 6
>
To how many significant figures should each answer be rounded?
(6.626 x 10-34 J·s) (2.9979 x 108 m/s)
equation A:
= 4.524848610478 x 10-19 J(unrounded)
4.390 x 10-7 m
After rounding, the answer to equation A should have
O 5 significant figures.
O 1 significant figure.
3 significant figures.
O 4 significant figures.
O2 significant figures.

What is the value of keq for the reaction expressed in scientific notation?

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

The table lists the lattice energies of some compounds.compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf.the lattice energy increases as the cations get larger, as shown by lif and licl.the lattice energy decreases as cations get smaller, as shown by nacl and naf.the lattice energy decreases as the cations get smaller, as shown by naf and kf.