What volume of a 1.0 m hcl is required to completely neutralize 25.0 ml of a 1.0 m koh?

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Given the following reaction: c3h8+5o2=3co2+4h20 how many grams of co2 will be produced 7 g of c3h8 and 98 g of o2

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.