Write the products for the reaction that occurred and balance the equation of __Sn (s) + __HCl (aq)

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

Which factor is likely to impact the possible number of compounds ?

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water