Consider the unbalanced chemical equation HBr + B = BBr3 + H2. When

coefficients are added to balance the equation, which two substances will

have a coefficient of 2?

D A. H2

B. HBr

C. BBrg

D D B

The universe is made up of billions of galaxies, and each galaxy is made up of billions of stars. Is it possible to see any of these galaxies with the naked eye? A. Yes, some of the galaxies can be seen with the use of a microscope. B.

Determine the ammonia concentration of an aqueous solution that has a ph of 11.00. the equation for the dissociation of nh3 (kb = 1.8 * 10-5) is determine the ammonia concentration of an aqueous solution that has a ph of 11.00.

Which compound has the lowest vapor pressure at 50°C? (1) ethanoic acid (3) propanone (2) ethanol (4) water

1) which branch of science allow researchers to piece together details about ancient skeletons? 2) how can the clavicle be used to tell age? 3) how do pelvic bones reveal gender? 4) what can isotopes in tooth enamel and bones tells us?

What is the first letter of every species

Which element is more electronegative, sulfur or nitrogen?

How does igneous rock become metamorphic rock?

The atomic mass oftitanium is 47.88 atomic mass units This atomic mass represents the 1) total mass of all the protons and neutrons in an atom of Ti 2) total mass of all the protons, neutrons, and electrons in an atom of Ti 3) weighted average mass

How many milliliters of. 45m hcl will neutralize 25ml of 1m koh?

Explain an example of a chemical bond