[Answered] A chemical change results in A) new atoms. B) a physical change. C) new materials. D) a new ...

This topic contains a solution. Click here to go to the answer

Author Question: A chemical change results in A) new atoms. B) a physical change. C) new materials. D) a new ... (Read 179 times)

ghost!

Hero Member
Posts: 560

on: Jul 29, 2018

A chemical change results in

A) new atoms.
B) a physical change.
C) new materials.
D) a new phase.

Question 2

A sample of iron weighs more after it rusts because

A) it has expanded into a greater volume.
B) rust contains twice as many iron atoms.
C) of the additional oxygen it contains.
D) Wrong. Iron actually weighs less after it rusts.

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

trampas

Sr. Member
Posts: 320

Reply #1 on: Jul 29, 2018

Answer to Question 1

Answer: C

Answer to Question 2

Answer: C

ghost!

Member
Posts: 560

Reply 2 on: Jul 29, 2018

Gracias!

carlsona147

Member
Posts: 341

Reply 3 on: Yesterday

Excellent

« previous next »

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.