An object with a mass of 0.225 kg and density of 2.89 g/cm3 measures 34mm in length and 46mm in width. what is the hight of the object?

Which 3 laws combine to make the Combined Gas Law?

An ultraviolet wave traveling through a vacuum has a wavelength of 4.0 * 10-7 m. The wave's frequency, written in scientific notation to two significant figures, is * 1014 Hz.

The ph of a sodium acetate-acetic acid buffer is 4.70. calculate the ratio [ch3coo-] / [ch3cooh]

In the reaction N2 + 3H2 - 2NH3, how many grams of H, are needed to produce exactly I mole of ammonia? A. lg B. 2g C. 3g D. 4g

In the Penny Lab that we ran, what is the independent variable? Question 1 options: the soap the number of water drops the penny the water

in its natural state neon has no definite shape or volume it's atoms move fast and are far apart which term describes neon in its natural state?

Based on your answer to part c, how many bonding electrons and nonbonding electrons are there in the lewis structure of hcn?

What element was used to make the first atomic bomb

Water (H2O) is composed of the same elements as hydrogen peroxide (H2O2). how do their properties compare?

How do kinetic tiles work?