Which of these has the most impact on the apparent brightness of a star seen from Earth? Gravitational pull, temperature of star, distance from earth, earths orbital pattern

Sodium hydroxide + nitrate acid

How come the periodic table was invented?

Guide to food chain (top to bottom) : osprey, pike, perch, smelt, freshwater shrimp. Which population would show the quickest increase if perch were eliminated from the food chain? A) pike B) smelt C) osprey D) freshwater shrimp

Which hybridization scheme occurs about phosphorus when phosphorus forms a double bond?

Becky is preparing tea. When the water for the tea boils, she pours it in a cup of cold milk. Assuming that the system is closed and that thermal energy distribution is uniform when the hot water mixes with the cold milk, which of the following is

How would a solution that is labeled 5.0 molar be similar to one labeled 5.0 molal?

Calculate the percentage by mass of nitrogen in ptcl2 (nh3) 2.

Below are the structures of three fatty acids, palmitic acid, stearic acid, and oleic acid. what combination of these fatty acids could you use to make a fat that is liquid at room temperature?

According to the quantum-mechanical model of the atom established by shrödinger, where may the electrons of an atom be found?

Renewable resources cannot be replaced in our lifetime