Which of the classifications for humans means that we have a hollow nerve chord?

A) Class

B) Kingdom

C) Order

D) Phylum

Which of the following is a property of carbon atoms? They readily give up two electrons to become stable. They can form covalent bond with other atoms. They have six valence electrons. They are chemically inert.

In an air-conditioned room at 19.0 ∘C, a spherical balloon had the diameter of 50.0 cm. When taken outside on a hot summer day, the balloon expanded to 51.0 cm in diameter.

What is the arrangement of atoms within a molecule called?

Part b select the ester that is formed when propanoic acid reacts with isopropyl alcohol in the presence of heat and an acid catalyst.

A sample of hydrogen gas, H2 (g), is placed in a 0.500 L container at 295 K. The gas pressure is 1.442 bar.

Do pure substances have the same chemical and physical properties

How is matter conserved in a chemical reaction

Define Percent transmittance

Express (3 x 104) (4 x 1023) in scientific notation

The theoretical yield of aspirin in a reaction is 721 g. What is the percent yield if 461 g is produced?