2 Fe2O3 + 3 C - 4 Fe + 3 CO2 1. How many grams of carbon are needed to fully react 50 grams of iron oxide (Fe, 0,)?​

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?