Karyotypes can tell us if someone may have a genetic disorder.

true

false

How many particles are in 400 grams of NaCl

Which of the following characteristics is the kinetic molecular theory based on? Matter does not have motion. All matter is in continual random motion. All matter has mass. All matter is made up of atoms and molecules that have mass.

Calculate the solubility at 25°c of cubr in pure water and in a 0.0030m cobr2 solution. you'll find ksp data in the aleks data tab. round both of your answers to 2 significant digits. solubility in pure water: gl

Black ice is a thin layer of water on a sidewalk or road that has rozen after the temperature has dropped below freezing its called black ice because the ice-s nearly ms ble especially when driving in a car at night.

What is the unit used in the si system to measure mass?

A 5 m long vertical tube having cross sectional area of 200 cm^2 is completely filled with water at room temperature. Calculate the mass of water present in the tube. Density of water at room temperature is 1000 kg/m^2

Mr Smith is walking his dog. He walks for 5 minutes (300 seconds) at a speed of 1.5 m/s. His dog runs at a speed of 5 m/s for the same time. a How far does Mr Smith walk? b How far does the dog run?

Gasoline has a density of 0.749 g/mL. How many pounds does 19.2 gallons of gasoline weigh? Use significant figures. Do not enter "pounds" as part of your answer.

Which of these changes involved a physical change and not a chemical change?

Which of the following statements is true? Running an electric current through a magnet can create a magnetic field. Electric engines change electricity into magnetism. The strength of a magnetic field increases with distance.