Chemistry Semester 1 Review

Front

A pure substance whose atoms are of the same type is called:

Back

Element

Front

How many liquids in the cylinder are less dense than water?

Back

2

Front

Object B displaces water. Initial water level in a graduated cylinder is 20mL, and when object B is placed in water, the final water level is 28 mL. If its density is 6g/ mL, what is its mass in grams?

Back

48

Front

Write 0.00278 in scientific notation.

Back

2.78x 10^-3

Front

Convert 1.76 x 10^ -3 into standard notation

Back

0.00176

Front

What is a property of both matter and energy? Options: They both have weight, They both take up space, Both cannot be created nor destroyed, They don't have any properties in common

Back

Both cannot be created nor destroyed

Front

Back

D

Front

Back

b

Front

When you touch an object and it feels hot, is it giving you energy or taking energy from you?

Back

Giving you Energy

Front

How much energy is absorbed to bring 250g of room temperature water (25 C) to boiling temperature (100 C), knowing the specific heat of water is 4.18 J/gC?

Back

78,375 J, 78375 J, 78.375 kJ, 78375