The decomposition of potassium chlorate is used as a source of oxygen in the lab. How many moles of KCIO3 are needed to produce 15 moles of oxygen gas? Step 1: balance the equation: KCIO3 → 2 KCI + 3 02 Step 2: PLAN: given = 15 g 02 unknown mol KCIO3 Step 3: MOLE RATIO: from your balanced equation, what is your conversion unit: 2 KCIO3 3 02 Step 4: Set up equation and calculate: 15 g O2 1

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)→2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions