Which of the following is a metal? *

sulfur

nitrogen

silicon

francium

A component of protein called serine has an approximate molar mass of 100 g/mole. if the percent composition is as follows, what is the empirical and molecular formula of serine? c = 34.95 % h = 6.84 % o = 46.56 % n = 13.

When mixing vinegar and baking soda a reaction occurs. What caused the bubbles in the reaction?

0/1 Sort these types of energy into the two types of mechanical energy: potential mechanical energy and kinetic mechancal energy.

Com: if a protein contains 150 amino acids, there would be how many codons in the specification to construct it?

Whose heliocentric model is seen as the first step in development of modern models of the solar system

Which organism is responsible for cleanup in this ecosystem? coyote vulture prairie dog grasshopper or prairie grass

What would happen if you tried to sqeeze a gas into a smaller container?

Paint, paint thinners and some cleaning agents can weaken the shell of a hard hat and may eliminate

A 10 chunk of metal has a specific heat of 0.25 J/g ºC. The temperature is changed from 10ºC to 45ºC. How much heat is required?

In this reaction what is the correct coefficient for sodium chloride? pb (no3) 2? nacl → pbcl2? nano3