Susan should follow PEMDAS,
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction,
So, the first step should be, to solve the equation in the parentheses.
I hope this helps!
Answer:
The rest of the wood was converted to gases
Explanation:
According to the law of conservation of mass, the mass on the reactant side must be equal to the mass on the product side. When wood is burned it forms ashes and gases. The mass of the ash plus gases must be equal to the mass of the wood and air used in burning it.
If 3g of wood were burned and the ashes produced weighs 1.2g, it means that the rest 1.8g have been converted to gases
where are equations dear????
yes and no WATER itself is an....but salwater is not its own element and by that i i mean its an element only because of water and is not sperate from the regular water element .
Alpha and Beta particles can be stopped by our skin. Gamma particles cannot be stopped by our skin.