Which of the following is a characteristic of a bird?

A lays hard-shelled eggs

b begins life in the water

c feeds milk to its young

d breathes with gills

Round off the following measurement to three significant figures. 1.296 g

How to convert 1.2*10^24 atoms of magnesium into moles?

Identify the type of hybrid orbitals present and bond angles for a molecule with a tetrahedral shape

Aluminum oxide (Al2O3) is a widely used industrial abrasive (known as emery or corundum), for which the specific application depends on the hardness of the crystal.

The rate constant for a certain reaction is k = 6.50*10-3 s-1. If the initial reactant concentration was 0.600 M, what will the concentration be after 3.00 minutes?

Convert 4.992*1010 g to each of the following units. B. Mg c. mg D. metric tons

The ideal gas law shows us how a gas will behave under many conditions. The formula is: P V = n R T Where P = pressure, V = volume, n = amount of the substance, R = ideal gas constant, and T = temperature.

The Suns ultraviolent Rays can cause skin damage including sunburn and even skin

Peas contain 250 kJ per 100 g. You would use the equivalent of 600 g of peas if you slept for.

A sample of gas in a balloon has an initial temperature of 21 ∘C and a volume of 1310 L. If the temperature changes to 70 ∘C, and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas?