Answer:
1045
Answer: 1045 J of energy was released on cooling the down the water from 20 °C to 10 °C.
Answer:
33.5 grams of oxygen will be produced
Explanation:
Explanation:
Physical changes only change the appearance of a substance, not its chemical composition.
Chemical changes cause a substance to change into an entirely substance with a new chemical formula.
Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the end results are called products
Answer:
0.67 mole/litre
Explanation:
the molarity equall no. of moles ÷ volume of sol.
The answer is B. Equilibrium means a state in which opposing forces or influences are balanced.
