What constitutes a positive test for ammonia?

Llama have 74 chromosomes how many chromosomes will they be found in their gametes explain how you know

A swimmer swims faster and increases from 80.1 m/s to 80.3 m/s during the last 20 seconds. What is his acceleration?

Which of the following statements is true. In an exothermic reaction the energy of the products is the same as the energy of the reactants. In an endothermic reaction the energy of the products is less than the energy of the reactants.

The number of moles in 2.93 g of Li2O in corrext sig figs

How is the electronic structure of sodium different from the electronic structure of chlorine?

What is hyphen notation

The density of aluminum is 2.70g/cm^3. a piece of aluminum foil has a volume of 54.0 cm^3. what is the mass of this piece of aluminum foil?

Describe how the atoms in Calcium Chloride obey the octet rule.

How many milliliters of 2.55M NaOH is needed to make 125mL of 0.75M NaOH solution?

2. What type of bond holds together nitrogen atoms? a. Single Bond b. Double Bond c. Triple Bond d. no bonds hold nitrogen together