Question

please i need howp with all these question

187) To determine the density of a liquid you mewn a volume of a 3 ml The mass of liquido Se port your answer to the correct numbes sin digits Hly 72 F convert this Convert this lempent M) com temperdure is typically 72 F to degrees celaus and kelvins following - Es Refers to toble 2.7 to perform the | Cong>(თა 15.2 inches to an Joules 47.23 kilo colories to need t 3.55 miles to kilometers - 1.2 tons to Kilograms a +) Asmall Car has a fuel efficiency of 34.3 miles per gollon what is this fuel efficiency in kilometers per liter? at room temperatu 8 Cobalt has a density of 8.9oglom what is this density in Kg) mi?

Answer 1

99) 72°F (exq) + 3 = OF 72F - 22:aa°c In kelvin = 22.22+273.15 = 295.37K 66) 15.2 inches to cm Coinu your writi ( inch= 2.54 cm). 15.2 inches = 15.2 x 2.54 = 38.608cm. - 47.23 kilo calories to joules. (1 Joule = 2.39x107 47.23 kcal = 1976 10.32J kilocalories 1.2 tons to kilograms (1 ton=907. 18 kg). 1.2 tons = 1088.62 - 3.55 miles to km (mile = 1.609 km) 3.55 mile = 5.73 km ! gallon = 3.78 litre. I tr=0. 2641 gallon 9:05 miles=14.56 km 34.3 miles - 55.2005 km , Efficiency= 14.56 km/Ltr