Calculate the volume of carbon (IV) oxide evolved at s. t.p(standard temperature and pressure) when 21g of sodium hydrogen trioxocarbonate (IV) is heated. [H=1,C=12, Na=23, O=16, molar volume(Vm)=22.4dm cube per mol]

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.

Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6