Answer: C you have a small amount of substance
Dropping a 50 gram piece of metal with a temperature of 125° Celsius into 1000 grams of water at 20° Celsius would lead to a heat loss by the metal and an heat gain by the water. These loss and gain should be equal since energy cannot be created nor destroyed.
<span>Moles = weight in g / atomic weight So, moles in 40 g of He = 40 / 4 = 10 moles.</span>
D. Itd be 4+. Hope it helps
Answer: Four carbon dioxide molecules and four water molecules
Explanation:
