Give the approximate bond angle for a molecule with a trigonal planar shape.

A) 109.5°

B) 180°

C) 120°

D) 105°

E) 90°

Do homologous and chromosomes have genes for the same traits

He table below gives the numbers of protons, electrons, and neutrons in four atoms. Atom Number of protons Number of neutrons Number of electrons 1 9 8 9 2 9 9 8 3 9 9 10 4 9 10 9 Based on the table, which atom has a charge of - 1?

Sucrose, the sugar extracted from sugarcane and sugar beets, is an organic compound that contains 12 carbon atoms, 22 hydrogen atoms, and 11 oxygen atoms per molecule. part a what is the chemical formula for sucrose?

32.7 grams of water vapor takes up how many liters at standard temp and pressure (273 K and 100 kPa)

Air is a mixture whereas water is a compound explain

Car Q and z are put though an endurance test to see if they can travel at 120 km/h for 5.0 hours. Each car has a 45-L fuel tank. Car z must stop to refuel after traveling for 4.2 hours. Car Q, however, travels for 5.4 hours before running out of gas.

What happened to the atoms in the heated metal ball so that it didn't fit through the ring?

A 3.00 L flexible container holds a sample of hydrogen gas at 153 kPa. If the pressure increases to 203 kPa and the temperature remains constant, what will the volume be?

Measurement of the functions of a nephron reveals a glomerular capillary pressure of 69 mm Hg, and a pressure in the capsular space of 15 mm Hg.

Water is unique because the density of it's solid is less than the density of it's liquid. Describe how life would be different if this weren't true