Which practice poses the greatest safety concern?

A. talking to others in the lab

B. accumulating clutter on the lab bench

C. performing an experiment when sitting down

D. reading the temperature of a water bath

The following equation shows the correct molecules formed in the reaction, but the products are incorrect. CH4 + 2O2 → H2O + CO2 How would you correct the products? Explain your reasoning.

Complete the reactions to show how butanoic acid may be converted to butanal.

You open a can of soda at room temperature and hear a hiss. Which of the following factors has changed inside the container? A.) Atmospheric pressure B.) Temperature of gas C.) Type of gas D.) Amount of gas

Name of the unit and type of measurement indicated for 4.8 m

What is the atomic mass of mercury

What is the product if an atom of Po-209 undergoes alpha decay?

The first-order decomposition of n2o at 1000 k has a rate constant of 0.76 s-1. if the initial concentration of n2o is 10.9 m, what is the concentration of n2o after 9.6 s

When a catalyst lowers the activation energy of a reaction the rate of the reaction?

Liquids: A) must be contained to stay in one spot B) have a variable volume, but a fixed mass C) are usually more dense than solids and gases D) cannot be changed into gases

Given the following list from the activity series of metals (from most active to least active) K, Na, Al, Mn, Cr, Cd, Co, Pb, Hg which reaction would you NOT expect to occur? 1. Co²⁺ (aq) + Al (s) → Al³⁺ (aq) + Co (s) 2.