Chemistry Middle School

Making wire from a block of copper.

Physical Change
or
Chemical Change?

Answers

Answer 1

Answer:

physical

Explanation:

Answer 2

Answer:

Physical Change ...........

Related Questions

After reading this answer the question:
Why might hydrogen be a wonderful fuel for the future?

Answers

when Hydrogen is made with renewable energy is completely carbon-free, and when you turn it into electricity, the only emission is water. It's also easy to store and transport, allowing us to use renewable energy sources to their full potential. An unlimited supply Hydrogen can be extracted from a wide range of substances.

Explanation:

hydrogen will join electricity as an important energy carrier since it can be made safely from renewable energy sources and is virtually non-polluting

A teacher attaches two balloons each to a stick. She charges each balloon, as shown in the images, and moves them a certain distance apart. She repeats the steps three more times with various arrangements. Which arrangement and charge combination represents the greatest electrical potential energy between the balloons?

Answers

Answer:

Bones, lungs, and the liver are the most common places for cancer cells to spread, or "metastasize." Once in the bone, these cancer cells can form new metastatic tumors.

...

Bone metastasis is more likely with cancers such as:

Breast.Prostate.Lung.Kidney.Thyroid.

Explanation:

Use operations of decimal, fraction, and percent numbers to model the following scenarios. In your final answer, include only an equation or proportion modeling the scenario. Do not solve the problems.

A family dines in a popular franchise restaurant. At the end of the meal, they decide to leave their server a monetary tip that is equal to 20% of the total bill amount, $60.50. How much will the family leave their server as a tip?

A family dines in a popular franchise restaurant. They plan to use a coupon that will give them a discount of 15% off of their total dinner bill, not including applicable sales tax or their server’s tip. If the family’s dinner bill totaled $34.00 before tax and tip, how much money will they save by using the coupon?

A family dines in a popular franchise restaurant. They plan to use a coupon that will give them a discount of 10% off of their total dinner bill, not including applicable sales tax or their server’s tip. The bill totals $157.30 before tax and tip. What is the new total after the server applies the 10% off coupon?

A family of eight dines in a popular franchise restaurant. The restaurant has a policy of automatically including a standard tip to the final bill for parties larger than six people. The bill for the meal included a total of $58.25 in food and beverage sales, plus a standard tip of $10.49. What percent of the food and beverage sales does the restaurant consider to be a standard tip for parties larger than six?

A family dines in a popular franchise restaurant that has a policy of automatically including a 20% tip on all food and beverage sales before coupon discounts are applied. What is the family’s total bill amount if their food and beverages totaled $94.20 and they used a 15% off coupon? (HINT: Create more than one model.)

Lungs, liver and bone are probably were your gonna find it

Help Please. It's On Erosion. 15 Points

Answers

The answer is A. The least amount of erosion happens on the left.

Notice the clear water.
A or d I think I don’t remember much from chemistry

Which compound would not neutralize hydrochloric acid?
A. Sodium Hydroxide
B. Sodium Carbonate
C. Sodium Chloride
D. Sodium oxide

Answers

Answer:

its B

Explanation:

i’m pretty sure it’s A

Scientists claim to be the way the continents were arranged 250 million years ago. Scientists who make this claim call this ancient organization of continents Pangaea. Provide evidence that supports the scientists’ claim that Pangaea existed. Also include the scientific reasoning that links the evidence to the scientist’ claim.

Answers

Answer:

I dn't mnoefbv

Explanation:

Gr

There’s no evidence for us to choose from ..

BRAINLIESIT IF CORRECT




1

Answers

Answer:

Reflected

Explanation:

I hope you get it right!!

Answer: absorbed

Explanation: darker colors absorb more light and heat

NOOOOO LIINNNKKKKSSSSSS RIGHT ANSWERS ONLY!!!!!!!!!!!!!!!!!!!!!!!!!!
Where is the artic tundra biome found.

A. in tropical and subtropical latitudes
B. almost entirely in the Northern Hemisphere, from 60 to 70 degrees latitude North
C. within tropical and subtropical latitudes
D. in high altitudes

Answers

Answer:

Explanation:

The answer is B because looking at a map, tundra is at 60 and 70 degrees north. Also, the tundra is cold, and the other answers are hot places.

Yes I did the test and the answer is B hope that helps :-)

HELPPPPPPPPPPPPP meeeeeeeee

Answers

Answer:

100%

Explanation:

If all labels in the square are “t” then there is no way that the plants will not be tall. Therefore there is a 100% chance the plant will be tall.

100% tall because there is not other letter representing other chances for the plants not to be tall.

BRAINLIESIT IF CORRECT





4

Answers

Answer:

the answer is vacum of space

Answer:

1. a medium

2.longitudinal

To produce electricity, a generator needs what kind of input?

Answers

Answer:

Mechanical Energy (maybe)

Gas, because the motor in the generator needs fuel
Other Questions
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