Science is 2 things. Describe what those 2 things are

A 14.8 L balloon is at 255 K. What will be its volume if the temperature is 304 K?

In a molecule of methane, carbon (having four valence electrons) binds to four hydrogen atoms. how many lone pairs of electrons will be represented in the lewis structure of methane? a. four b. two c. one d. zero

Oil hydrogenation can produce a product, such as vegetable shortening or margarine, that is spreadable at room temperature because of an unusual bond that does not occur naturally. what is the name of this category of lipid?

What type of macromolecule carries out catalysis in biological systems? A) proteins called enzymes B) carbohydrates called starches C) lipids called steroids D) nucleic acids called DNA E) carbohydrates called sugars

Describe a sigma bond. a. orbital overlapping with the side of a p orbitalb. overlap of two d orbitalsend to end overlap of p orbitalc. sp orbital overlapping with an f orbitald. side by side overlap of d orbitals

The absence of which cell structure would indicate a cell is prokaryotic?

When 0.880 g of an organic compound containing carbon, hydrogen and oxygen is burned completely in oxygen, 1.760 g of co2 and 0.720 g h2 o are produced. what is the empirical formula of the compound?

In ammonium chloride salt (nh4cl) the anion is a single chloride ion, cl. what is the cation of nh4cl

What does copper II sulfate do to the enzyme activity?

In a closed system, if a gas is transported to a container with double the volume of the previous container, gas was held in, What is the gases' new volume?