Can you help because it is very urgent

Explanation:

1. C. It can explode and burn in the presence of oxygen would be a chemical property of hydrogen.

2. A chemical property of propane is its combustibility. This can warm up houses and be used in a grill to cook food.

3. 1) Physical, because this is a phase change.

2) Physical because the properties of the gold isn't changed.

3) Chemical, the bubbles show us that a chemical reaction is happening.

4) Chemical, rust is an example of a chemical change in the iron.

5) Physical, the copper does not chemically change, it only bends.

4. a) Brass is a homogenous mixture because it combines copper and zinc.

b) Air is a homogenous mixture because it mixes multiple elements

c) Table sugar, or sucrose, is a compound because it’s formed when two or more elements are joined together.

d) Because its composition is not uniform throughout, orange juice is a heterogeneous mixture.

e) Tin can be found on the periodic table therefore it is an element.

5. It strips the hair and makes it brittle

answer; i believe the correct answer is customer,manufacturer, service provider,general public ; quality is primarily the responsibility of all all employees in the organization.

the anti federalists was a movement that was opposed to the creation of a us federal government. although they were not as organized as the federalists, they also had a large group of leaders, especially in state politics.

the statement "now, in a large extended country, it is impossible to have a representation, possessing the sentiments, and of integrity, to declare the minds of the people” represents the concerns of the anti federalists.

they strongly believed that the federalists were representing the interests of aristocratic elements of society at the expense of the majority of ordinary people, who lived in a rural society.

their fear for the creation of a strong federal government and the president’s power of veto in their opinion would create a tyrannical rule that would dominate the people. they defended the importance of restraining the government’s power towards people at any cost.