1.A chemical change is different than a physical change because in a chemical change a. Chemicals are used

b. Molecules do not physically touch

c. A new substance is formed and in a physical change no new substance is formed

d. The change can be seen but in a physical change it cannot

2.Which of the following is a physical change?

a. Burning

b. Freezing

c. Rusting

d. Oxidation

3.Jamal combined baking soda and vinegar, but he is having trouble determining if what he observed is a chemical reaction or a physical change. Choose two answers that demonstrate evidence of a chemical change?

a. Change in color

b. Absorption of heat

c. No change on properties

d. Formation of new substances

4. In a chemical reaction, if the reactants are heated, the reaction usually happens

a. Faster

b. Slower

c. At the same rate

d. In a smaller volume

Explain why your answer is correct:

“dear sir: it is with great reluctance, i trouble you on a subject, which does not fall within your province; but it is a subject that occasions me more distress, than i have felt, since the commencement of the war; and which loudly demands the most zealous exertions of every person of weight and authority, who is interested in the success of our affairs. i mean the present dreadful situation of the army for want of provisions, and the miserable prospects before us, with respect to futurity. it is more alarming than you will probably conceive, for, to form a just idea, it were necessary to be on the spot. for some days past, there has been little less, than a famine in camp. a part of the army has been a week, without any kind of flesh, and the rest for three or four days. naked and starving as they are, we cannot enough admire the incomparable patience and fidelity of the soldiery, that they have not been ere this excited by their sufferings, to a general mutiny or dispersion. strong symptoms, however, discontent have appeared in particular instances; and nothing but the most acitive efforts every where can long avert so shocking a catastrophe.” what’s the central idea?

The state fire marshal ensures a program can legally operate in a specific location and has sound structure?

Highlight ideas in this passage that show why the anti-federalists objected to the constitution. if it were possible to consolidate the states, and preserve the features of a free government . . [w]ealth, offices, and the benefits of government would collect in the center: and the extreme states . . become much less important. . i still believe a complete federal bill of rights to be very practicable. which reasons below explain why the anti-federalists objected to the constitution? check all that apply power would be too centralized. a bill of rights was included. states would become less powerful. a bill of rights was not included. states would become more powerful.