How do you know when writing out equations the state of the element or compound

You are instructed to add 100 MLS of hs04 to 2500 MLS of buffer. What is the dilution

Who first proposed that matter is composed of tiny, indivisible particles?

If you mixed chlorine, lithium and nickel together which two elements would be the most reactive?

Classify these molecules as polar or nonpolar. Drag each item to the appropriate bin.

What would you see if you were in the moon during the eclipse?

A person drinks eight glasses of water each day, if each glass contains 300mL how many liters of water does a person drink in a year?

An organic compound contains C=61%, H=11.8% and O=27.12%. Calculate the empirical formula and molecular formula of the compound. The vapour density of the compound is 59.

Roberto throws a tennis ball to a friend. He then throws a baseball with the same amount of force. Which ball is accelerated more? Why?

How does parsec compare to light year

A sample of solid NH4NO3 was placed in an evacuated container and then heated so that it decomposed explosively according to the following equation: NH4NO3 (s) N2O (g) + 2H2O (g) At equilibrium, the total pressure in the container was found to be 2.