4) When solid sodium nitrate is heated, solid sodium nitrite and oxygen gas (02) are produced. Write the balanced chemical equation for this chemical
reaction using the correct chemical formulas and include conditions (s, l, g, or
aq). Put your answer in the box below.

Write the balanced chemical equation and state what type of chemical reaction this is.

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

The excretory system,need answers for all: )

Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?