Which clement is a liquid at STP?

(1) bromine (3) francium

(2) cesium (4) iodine

After the universe was created, what was formed? (Choose all that apply.) Question 3 options: time space matter energy

If 1.27 moles of bromine gas (Br2) react with excess phosphorus (P), how many moles of phosphorus tribromide (PBr3) will be produced?

How many cells in a unicellular organism function to get rid of waste?

Calculate the number of moles in each of the following 15.0g NH3

Provide a brief theory which explains the application of polymerization reactions to everyday life.

If a 860. ml of linseed oil has a mass of 680 g, what is the density of the oil

Without any force to change it, an object at rest stays at rest and an object in motion stays in motion. This demonstrates which of Newton's Laws? Question 3 options: (A) Newton's First Law (B) Newton's Second Law (C) Newton's Third Law

You are examining the DNA sequences that code for the enzyme phosphofructokinase in skinks and Komodo dragons.

Scientists are often interested in knowing the molar heat of combustion the heat released during the combustion of one molar of a substance use a periodic table to find molar masses. How many moles of ethanol are present in the sample? ? Mol

Which of the following is not a source of air pollution related to human activities