How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200n

Titania buys a bag of fertilizers at the store.it reads 30-15-10. how much phosphorous is in the fertilizer a. 30% b. 15% c. 10%

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?