1. holding a tray in the cafeteria line
2.
3. joule divided by a second
4.
5. the force a simple machine applies to an object
The heat is the required energy.
Explanation:
<h3>H2SO4 + 2 NaOH = Na2SO4 + 2H20, </h3>
<h3>2 in sodium hydroxide </h3><h3>And 2 in water </h3>
Answer:
Explanation:
Flame test:
The metals ions can be detected through the flame test. Different ions gives different colors when heated on flame. Tom perform the flame test following steps should follow:
1. Dip a wire loop in the solution of compound which is going to be tested.
2. After dipping put the loop of wire on bunsen burner flame.
3. Observe the color of flame.
4. Record the flame color produce by compound
Color produce by metals:
Red = Lithium, zirconium, strontium, mercury, Rubidium (red violet)
Orange-red = calcium
Yellow = sodium, iron (brownish yellow)
Green = green
Blue = cesium. arsenic, copper, tantalum, indium, lead
Violet = potassium (lilac)
