If a test consisted of 100 question ho many would I have to get right to pass. At the very least?

The perimeter of parallelogram pqsr is 74 cm. what is qs?

Rank in increasing polarity the carbon-nitrogen single, double, and triple bonds. not enough information to compare. triple < double < single all have the same polarity. single < double < triple

The nucleus of one boron atom has five protons and four neutrons. Determine the total number of electrons in the boron atom.

A chemical reaction occurs when one or more change into one or more new substances called

Using the information in the table, calculate the molecular weight of ethanol, c2h5oh.

Identify the medium for the following waves: • The Wave Exercise waves: • Ripples on a pond: • Sound waves from a stereo speaker: • Seismic (earthquake) waves:

What is most believed by most scientists about the age of our solar system.

Just as heat can denature enzymes, so can a change in the pH. Enzymes that normally work in an acidic environment in the body can become denatured if the pH becomes too alkaline.

In a reversible reaction, both the forward and reverse reactions take place A. at the same rate. B. at two different rates. C. at varying, unequal rates. D. under different experimental conditions.

Choose the element that would be the most reactive of the three.