Which tool is used to detect yellow light rays emitted by stars from outer space? x-ray optical telescope gamma telescope optical telescope infrared telescope

Which scientist is credited with the discovery of the electron

The amount of product that you get when you perform the experiment in the lab is called the A. theoretical yield B. reagent C. actual yield D. percent yield

How many atoms of each element are in Ti2 (SiO3) 3

How many moles of air are there in a human lung with a volume of 2.4 L at STP? Explain your answer

Chem! 15 pts + brainliest Using Ideal Gas law, what is the volume of 5.00 mol of helium at 393.15 degrees Kelvin and 1520 mmHg? Question 17 options: 1206 L 80.7 L 10.96 L

Consider the reaction: 8H2S (g) + 4O2 (g) →8H2O (g) + S8 (g). Δ[H2S]/Δt = - 0.033M/s. Find Δ[O2]/Δt. Δ[H2O]/Δt. Δ[S8]/Δt. Find the rate of the reaction.

At room temperature and pressure what is the volume of one mole of oxygen?

Ibuprofen, a common pain remedy, has an empirical formula of C7H9O and a molar mass of approximately 218.078 grams per mole. What is the molecular formula of ibuprofen?

Copper (cu) is a transition element used in the making of coins. calculate the mass in grams of 0.0420

In 1864, the Solvay process was developed to make soda ash. One step in the process is represented by the balanced equation below.