Answer:
i think its CaCO3 + 2HCl → CaCl2 + H2O + CO2
Explanation:
Answer:
A
Explanation:
The law of included fragments states: Fragments found in a rock must be older than the rock itself.
Answer: The specific heat is the amount of heat per unit mass required to raise the temperature by one degree Celsius. Therefore, a high value of specific heat would mean that more heat is needed in order for the temperature to increase. The correct answer would be water since it has the highest specific heat of the choices given.
Explanation:
1 half-life - 4.5 days
x half-lives - 27 days
x=(1*27)/4.5=6
6 <span>half-lives have elapsed after 27 days.</span>
What is the question exactly?
