Answer:
B. A carbon monoxide molecule(CO)
Explanation:
CO is polar because oxygen is more electronegative than carbon, so it gives oxygen a partial negative charge and carbon and partial positive charge. This causes a net dipole moment. CO2 is linear with no net dipole moment because each C-O bond is equal and opposite to each other, so they equal 0, which makes them non polar.
Explanation:
Gravitational potential energy
= mgh = (45kg)(9.81N/kg)(2m) = 882J.
Answer:
D. water currents melting the glaciers in Antarctica
Explanation:
The hydrosphere contains all the water on earth ranging from underground water, water in the air and water running on the surface of the earth. This water exist as liquid or ice. In liquid form, it includes water in the sea, ocean, river, underground water (wells, aquifers) and water vapor. In ice form, it includes: glaciers, ice caps and icebergs. The frozen part of the hydrosphere is known as the cryosphere.
There are interactions between the hydrosphere and cryosphere such as water currents melting the glaciers in Antarctica, melting of snows and ice.
Answer:
400 K
Explanation:
Charles's law states:
A determined volume of a gas is directly proportional to its temperature, while we have constant pressure.
V₁ / T₁ = V₂ / T₂
We replace data:
5 L / 100K = 20L / T₂
T₂ = 20L . 100K / 5 L
T₂ = 400 K
The volume was quadrupled, so the temperature did.
If we want T° at Celsius degree:
400 K - 273 = 127°C
