PROJECT: CHEMICAL REACTIONS In two or more complete sentences, design an extension of this experiment to determine the mass of the carbon sioxide gas that was produced. include a hypothesis regarding the mass of the gas in grams. Write your answer in the essay box below.

According to the tide table below what time of day will the highest tide occur?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.