What mass of precipitate (in g) is formed when 20.5 mL of 0.500 M
Cu(NO), reacts with 29.0 mL of 0.500
M NaOH in the following chemical
reaction?
Cu(NO3)2(aq) + 2 NaOH(aq) →
Cu(OH)2(s) + 2 NaNO3(aq)

How many atoms are there in 5.70 mol of mg

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color