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: Physical properties
Explanation: Can be measured without changing a substance's chemical identity.
Answer:
C. water acts as a radiation shield to reduce the radiation level
Mg is an element that stands for Magnesium.
Mg is the chemical symbol for Magnesium.
Answer : The mass of ethylene glycol is, 437.34 grams
Solution : Given,
Volume of ethylene glycol = 394 ml
Density of ethylene glycol = 1.11 g/ml (Standard value)
Formula used :

Now put all the given values in this formula, we get the mass of ethylene glycol.


Therefore, the mass of ethylene glycol is, 437.34 grams