Which of the following is a correct representation of the isotope of carbon that has 7 neutrons? carbon-7 carbon-13 carbon-6 carbon-12

Why is there so much nitrogen in the atmosphere

A liquid's temperature is lowered from 60°C to 10°C. Did the the liquid's vapor pressure increase, decrease, or stay the same during that time?

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity?

A deficiency in B6 (pyridoxal phosphate) would negatively impact which of the following pathways: 1. Metabolism of homocysteine to cysteine 2. Metabolism of phenylalanine to tyrosine 3. Conversion of methyl malonyl-CoA to succinyl-CoA

How many electrons are in orbitals related to the third energy level of a sulfur atim

How liquid in a thermometer changes so that it can be used to measure temperature

Why do some elements react easily but others dont?

1. What is an isomer? How many possible isomers of hexane are there? What are the structural differences between these isomers?

An ion of oxygen contains eight protons and has a charge of 2-. What must occur for this ion to become a neutral oxygen atom? Group of answer choices It must lose two electrons. It must gain two protons. It must gain two electrons.

If 46.1 g of copper at 11.6 °C is placed in 85.0 g of water at 72.4 °C, what is the final temperature of the mixture? The specific heat capacities of copper and water are 0.385 J/g. K and 4.184 J/g. K, respectively, a. 71.2 °C b. 51.0 °C C 69.5 °C d.