How many atoms are in 33 grams of titanium?

A) 1.72 x 10^23 atoms B) 2.88 x 10^23 atoms C) 3.65 x 10^23 atoms

D) 4.15 x 10^23 atoms

What equation represents the energy it takes to heat a substance

Compared to the stable reference element, an isotope is different in what way? Question 1 options: A) More protons in the nucleus B) Fever electrons in the orbitals C) More electrons in the orbitals D) Fewer neutrons in the nucleus E) More neutrons

3. How many moles in 28 grams of CO2?

The momentum of an object is in the same direction as its

Which statement is correct about molarity and volume? They are directly related. They are inversely related. They are different units of dilution. They are different units of concentration.

The wavelength of light that has a frenquency of 1.20x10^13s^-1

149.3 g of H2O at 95 ◦C is poured over 412 g Fe at 5 ◦C in an insulated vessel. What is the final temperature? The specific heat of H2O is 4.184 J / g· ◦C, the specific heat of Fe is 0.444 J/g · ◦C. Answer in units of ◦C.

The chemical equation of photosynthesis includes 6O2. What does the small number after the O represent?

A sample of copper with a mass of 63.5g contains 6.02 x10 23 atoms calculate the mass of a single copper atom

Explain what is in a buffer. Discuss the function of a buffer. How will pH change when small amounts of acids or bases are added to the buffer solution?