Does the mass number of 238, has 92 more electrons than 235 uranium?

2x + 3 (5x - 7) = 47 P

Explain sunspots and how they affects earth

The difference in the water levels of a beaker holding an upside-down buret containing a pocket of hydrogen gas is 23 cm H2O.

You're legally obligated to yield the right-of-way: A. To pedestrians only if they're in the crosswalk B. Whenever it's necessary to avoid a collision C. Whenever you want to occupy the same space as another car

If a combination reaction takes place between rubidium and bromine, the chemical formula for the product is

The vapor pressure of benzene (C6H6) is 73.0 mm Hg at 25 °C. What is the vapor pressure of a solution consisting of 179 g of benzene and 0.217 mol of a nonvolatile nonelectrolyte?

Aldo drove 420 miles using 18 gallons of gas. at this rate, how many gallons of gas would he need to drive 357 miles

How many grams of As2S3 are in 3.25 moles?

How does a solid turn into a liquid

What does the Ka represent in the equation and why is it important?