Describe the mass of the reactants and products given the balanced chemical reaction.

A) The mass of the products is 2/3 that of the reactants.
B) The mass of the reactants equals the mass of the products.
C) The mass of the reactants is less than the mass of the products.
D) The mass of the reactants is greater than the mass of the products.

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter