Q: Which of the following is a possible conversion factor for roses?

$$1 \text{ dozen roses} / 12 \text{ roses}$$

Question 1

Which of the following is the correct conversion of 5.99 cm to inches, using the conversion factor $$1 	ext{ in} = 2.54 	ext{ cm}$$, and reporting your answer with the correct number of significant figures?

Accepted Answer

$$2.36 	ext{ in}$$

Question 2

Which of the following is a chemical change?

Accepted Answer

Burning a piece of wood

Question 3

Report the measurement 0.1457 cm to three significant figures.

Accepted Answer

$$0.146 	ext{ cm}$$

Question 4

Given the electron configuration $$1s^2$$ $$2s^2$$ $$2p^6$$, which atom does this represent?

Accepted Answer

Neon

Question 5

Which pair of elements have similar chemical properties?

Accepted Answer

Na and K

Question 6

How many dots (electrons) are present in the dot structure for carbon?

Accepted Answer

4

Question 7

Which of the following statements is a quantitative statement?

Accepted Answer

The plants are 15 cm tall.

Question 8

Where are electrons located in an atom?

Accepted Answer

Outside the nucleus

Question 9

How many neutrons are in an isotope of carbon with mass number 13?

Accepted Answer

7

Question 10

A solid of mass 3.00 g is placed in a graduated cylinder containing 3.00 mL of water. The water volume is displaced to 6.00 mL. What is the density of the solid?

Accepted Answer

$$1.00 	ext{ g/mL}$$

Question 11

Which of the following is an exact number?

Accepted Answer

There are 12 eggs in a dozen

Question 12

How many significant figures are in the measurement 0.103?

Accepted Answer

3

Question 13

Which of the following is a possible conversion factor for roses?

Accepted Answer

$$1 	ext{ dozen roses} / 12 	ext{ roses}$$

Question 14

What is specific gravity?

Accepted Answer

The ratio of the density of a substance to the density of water at the same temperature

Question 15

Convert 12 in to cm using the conversion factor $$1 	ext{ in} = 2.54 	ext{ cm}.$$

Accepted Answer

$$30 	ext{ cm}$$

Question 16

A doctor orders 800 mg of a drug to be infused every 8 hours. If you have 200 mg/5.0 mL, how many mL should be infused each time?

Accepted Answer

$$20 	ext{ mL}$$

Question 17

What is 25 degrees Celsius in Kelvin?

Accepted Answer

$$298.15 	ext{ K}$$

Question 18

Classify urine as a compound, element, or mixture.

Accepted Answer

Mixture

Question 19

Is Cl a metal, metalloid, or nonmetal?

Accepted Answer

Nonmetal

Question 20

Between F and Na, which one has the smallest atomic radius?

Accepted Answer

F

Survey of Chemistry I: Key Concepts and Problem-Solving Guide

Guida di studio - Domande di pratica

Study guide - Flashcard