Answer:
A
Explanation:
Osmosis is when water moves from an area of LOW solute concentration (low osmolarity) to an area of HIGH solute concentration (high osmolarity) through a semipermeable membrane
Answer:
2.38x10²³ atoms oxygen
Explanation:
To solve this question we need to convert the mass of sand to moles using its molar mass (Molar mass SiO₂ = 60.08g/mol). Twice these moles are the moles of Oxygen and using Avogadro's number we can find the amount of atoms of Oxygen in the mixture:
<em>Moles SiO₂:</em>
11.87g * (1mol / 60.08g) = 0.1976moles SiO₂
<em>Moles Oxygen:</em>
0.1976moles SiO₂* 2 = 0.3951moles oxygen
<em>Atoms oxygen:</em>
0.3951moles oxygen * (6.022x10²³atoms / 1mol O₂) =
<h3>2.38x10²³ atoms oxygen</h3>
here is what came up when i searched it up:
"The attraction between protons and electrons can also make clothes stick together in the dryer. When you dry clothes in the dryer, different fabrics rub together, and electrons from a cotton sock (for instance) may rub off onto a polyester shirt."
Answer:
CuO with (1: 1) mole ratio.
Explanation:
- When 6.1 moles of copper react completely with 6.1 moles of oxygen.
- They are equimole reactants with a (1: 1) mole ratio.
- Then, the compound has the molecular formula CuO.