8.) if you want to cool a hot drink, it is best to use a spoon with a relatively _____ specific heat
a.) low b.) high c.) it will not matter
9.) What does (triagle sign) S represent ?
a.) specific heat b.) heat capacity c.) heat of reaction for a chemical reaction d.) entropy
10.) A chunk of ice whose temperature is -20 c is added to an insulated cup filled with water at 0 c. What happens to the cup?
a.) the ice melts until it reaches teh temperature of the water b.) the water cools until it reaches the tempurature of the ice c.) some of the water freezes so the chunk of ice gets larger d.) none of the above
11.) In an exothermic reaction, the energy stored in the chemical bonds of the reactants is
a.) equal to the energy stored in the bonds of the products b.) greater than the energy stored in the bonds of the products c.) less than the energy stored in the bonds of the products d.) less than the heat released e.) less than the heat absorbed
a.) low b.) high c.) it will not matter
9.) What does (triagle sign) S represent ?
a.) specific heat b.) heat capacity c.) heat of reaction for a chemical reaction d.) entropy
10.) A chunk of ice whose temperature is -20 c is added to an insulated cup filled with water at 0 c. What happens to the cup?
a.) the ice melts until it reaches teh temperature of the water b.) the water cools until it reaches the tempurature of the ice c.) some of the water freezes so the chunk of ice gets larger d.) none of the above
11.) In an exothermic reaction, the energy stored in the chemical bonds of the reactants is
a.) equal to the energy stored in the bonds of the products b.) greater than the energy stored in the bonds of the products c.) less than the energy stored in the bonds of the products d.) less than the heat released e.) less than the heat absorbed
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8.) if you want to cool a hot drink, it is best to use a spoon with a relatively _____ specific heat
b.) high
9.) What does (triagle sign) S represent ?
d.) entropy
10.) A chunk of ice whose temperature is -20 c is added to an insulated cup filled with water at 0 c. What happens to the cup?
c.) some of the water freezes so the chunk of ice gets larger
11.) In an exothermic reaction, the energy stored in the chemical bonds of the reactants is
b.) greater than the energy stored in the bonds of the products
b.) high
9.) What does (triagle sign) S represent ?
d.) entropy
10.) A chunk of ice whose temperature is -20 c is added to an insulated cup filled with water at 0 c. What happens to the cup?
c.) some of the water freezes so the chunk of ice gets larger
11.) In an exothermic reaction, the energy stored in the chemical bonds of the reactants is
b.) greater than the energy stored in the bonds of the products