One parent has the sickle cell disease gene, and the other parent does not. Which best describes the child's chances of getting sickle cell disease?

2 HCI → H2 + Cl2 Endothermic or exothermic

Luminosity is the amount of energy emitted by a star each second. Stars radiate light over a broad range of frequencies in the electromagnetic spectrum, from the low energy radio waves to high energy gamma rays.

What type of bond is neon?

Which of the following lines (of latitude or longitude) would represent by 180 longitude? South Pole Equator Prime meridian North Pole International date line

How many moles of compound are there in 15.0g of potassium dichromate, K2Cr2O7?

In a crystal lattice of an ionic compound, A. Kind of a given charge are clustered together B. Ions are surrounded by ions of the opposite charge C. A sea of electrons surrounds the ions D. Neutral molecules are present

Discuss why two objects of made of the same type of matter at the same starting temperature with different masses increase in temperature at different rates when the same amount of thermal energy is transferred to each object.

An isotope contains 56 protons, 54 electrons, and 74 neutrons. What is the identity of the isotope?

How many ozone particles are needed to form 24 particles of oxygen gas?

Calculate the molality of a 27.0% (by mass) aqueous solution of nitric acid.