Balance the following equations using the smallest integer coefficients. a. Ca3P2(s)+ H2O → Ca(OH)2(aq)+ PH3(g) b. Al(NO3)3(aq) + Na2CO3(aq) → Al2(CO3)3(s) + NaNO3(aq)

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

In which situation can a mixture always be called a solution

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange