Answer:
273 K
Explanation:
The temperature of a gas at STP is 273 K. This is equal to 0°C or 32°F.
4.8 g/cm3 with sig figs since it's mass/volume you divide 76 grams by 16 cm3
A "3" should but put in front of
<span>"cas o 4 "</span>
Answer:
1. The object is moving forward.
Explanation:
Answer:
The pH of the solution is 8, 40-
Explanation:
The pH indicates the acidity or basicity of a substance. PH values between 0 and less than 7 indicate acidic solutions, 7 neutral and greater than 7 to 14 basic. It is calculated as
pH = -log (H30+)
pH= -log (4x10-9M)
<em>pH=8,40</em>
