Express each force in Cartesian vector form.

Chemistry 11
When ammonium nitrite (\(\mathrm{NH}_{4} \mathrm{NO}_{2}\)) is heated, it decomposes to give nitrogen gas. This property is used to inflate some tennis balls. (a) Write a balanced equation for the reaction. (b) Calculate the quantity (in grams) of \(\mathrm{NH}_{4} \mathrm{NO}_{2}\) needed

Campbell Biology 9
Which structure or compartment is part of the symplast? a. the interior of a vessel element b. the interior of a sieve tube c. the cell wall of a mesophyll cell d. an extracellular air space e. the cell wall of a root hair

Calculus: Early Transcendentals 9
Find a formula for the inverse of the function. \(f(x)=1-x^{2}, \quad x \geqslant 0\)

Psychology 12
How did Piaget, Kohlberg, and later researchers describe adolescent cognitive and moral development?

Plant Systematics 3
Describe the example of Caytonia and glossopterids as putative angiosperm progenitors, citing evidence for or against this idea

Chemistry for today : general, organic, and biochemistry 9
Write formulas for the following compounds: a. barium hydroxide b. magnesium sulfite c. calcium carbonate d. ammonium sulfate e. lithium hydrogen carbonate

Chemistry for today : general, organic, and biochemistry 9
The active ingredient in meat tenderizer is the enzyme papain, a protease. Explain how treating meat with this material before cooking would make it more tender.

Chemistry for today : general, organic, and biochemistry 9
Classify the following processes according to their rates as very slow, slow, or fast: a. The souring of milk stored in a refrigerator b. The cooking of an egg in boiling water c. The rusting of a shovel left in the garden over the winter d. The growing of corn during a warm summer e. The burning of