Answer:
Explanation:
scientific laws are not your everyday laws but society laws really have to be followed its whats keeps balance in this world
Answer:
50 g NaOH
General Formulas and Concepts:
<u>Chemistry - Solutions</u>
- Reading a Periodic Table
- Using Dimensional Analysis
- Molarity = moles of solute / liters of solution
Explanation:
<u>Step 1: Define</u>
0.500 L
2.50 M NaOH
x moles of solute
<u>Step 2: Define conversions</u>
Molar Mass of Na - 22.99 g/mol
Molar Mass of O - 16.00 g/mol
Molar Mass of H - 1.01 g/mol
Molar Mass of NaOH - 22.99 + 16.00 + 1.01 = 40 g/mol
<u>Step 3: Find moles of solute</u>
2.50 M NaOH = x moles NaOH / 0.500 L
x = 1.25 moles NaOH
<u>Step 4: Convert</u>
<u /> = 50 g NaOH
<u>Step 5: Check</u>
<em>We are given 3 sig figs. Since our final answer has 2 sigs, there is no need to round.</em>
Answer:
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Answer: electrical energy
Heat
electric current
Explanation:
In your common lightbulb you will transform electrical energy into two main forms of energy coming off of the lightbulb. Heat: from the filament of the bulb because you are running an electrical current through the filament. The heat is so immense that it forms our second form of energy, which is light!
Answer:
Rem is used to measure biological risk, and rad is used to measure absorbed radiation.
Explanation: