Which two changes of state can occur when a substance gains thermal energy A sublimation b depositation c condensation and d vaporization

Answers

Answer 1

Answer:

b

Explanation:

Answer 2

Answer:

A and D

Explanation:

I got it on my test


Related Questions

Landon's new toy arrived in the mail covered in foam packing peanuts. The foam packing peanuts have a mass of 30 g and a volume of 60 cm3. What is the density?

2 g/cm3
180 g/cm3
0.5 g/cm3
2

Answers

Here’s your answer 0.5 g/cm3
2 g / cm3 18g/cm3 one is 0.5G/ cm3 and the other 2 g / cm 4

Select all that apply.

Which items are properties of bases?

soapy
sour
bitter
slick
skin damage

Please

Answers

Answer:

soapy and bitter

Explanation:

This answer: Bitter and soapy

The corn crop in an area is prone to infestation by larvae from moths that feed on the cornstalks and ears of corn. The techniques used by two farmers to protect the corn crop are described below.

Technique A: Sprayed his corn crop with an insecticide. The insecticide is known to kill all honeybee, butterfly, and moth larvae.
Technique B: Used a genetically modified variety of corn. The plant produces an insecticide which selectively kills only the moth larvae as it feeds on the corn.

Which technique is likely to have less of an impact on the environment?

Technique B because it may help humans who consume corn to fight bacteria
Technique A because it kills a broader variety of insects to protect the corn
Technique B because it preserves the harmless insects and targets only the moth larvae
Technique A because insecticide use is better for preserving the environment.

Answers

Answer:

Its C

Explanation:

Method A puts a type of spray that kills bees plus butterfly's which would make their population decrease. Which isnt helpful and harms the enviroment a lot. Answer A dosent make sense it may be harmful

Answer: c

Explanation:

I took the quiz

Elements in the same group have _____.

the same number of electron shells
the same number of protons
similar chemical properties
the same number of isotopes

Answers

Answer:

Element in the same group have similar chemical properties.

the same number of electron shells

Hydrogen peroxide is commonly used to clean cuts and wounds. Its chemical formula is
H2O2. This compound has _____.

two atoms of hydrogen
three atoms of oxygen
three atoms of hydrogen
one atom of oxygen

Please help, take your time!

Answers

Answer:

two atom of hydrogen,two atom of oxygen

two atoms of hydrogen and two atoms of oxygen

Sodium chloride (NaCl) is made from ___ of sodium (Na) and ___ of chlorine (Cl).

Blanks: One Atom and Two Atom

Answers

Answer:

one atom, one atom.

Explanation:

Sodium chloride is made from one sodium atom and one chlorine atom.

Sodium has a charge of +1,  Chlorine has a charge of -1. These cancel each other out leaving only one atom for both sodium and chlorine.

The correct answer is one atom for each space

Describe how the Rube Goldberg device design that you created follows the law of conservation of energy. Be sure to include both parts of the law of conservation of energy in your description.

Answers

Rube Goldberg machines follows law of conservation of energy. In this machine when marble rolls down from top it has kinetic energy.
In this machine, a various instant kinetic energy is transferred into potential energy and vice-versa , so the total energy remain conserved. Thus Rube Goldberg machines follows law of conservation of energy. In this machine when marble rolls down from top it has kinetic energy.

The chemical formula for sulfuric acid is H2SO4. In one molecule of sulfuric acid, there are _____.

two atoms of helium
two atoms of oxygen
four atoms of oxygen
four atoms of sulfur oxide

Please help for my summer school, you can take your time (:

Answers

Answer:

four atoms of oxygen

Explanation:

two atoms of hydrogen

one sulphur atom

Four atoms of oxygen

why is compound not a mixture?

Answers

Compound is a pure substance containing two or more elements that are chemically combined in a fixed ratio but mixture is made up of two or more substances that are not chemically combined.
The way my chemistry professor explained it was compounds are from the same side (nonmetals), so they don’t necessarily mix well. It would be different if it was an ionic bond, because ionic bonds are when metals and nonmetals mix.
Other Questions
what is bird flu?when was it first detected among humans? Distinguish between type 1 and type 2 diabetes. AND How are their effects on the body similar? Bill, an employee with the U.S. Postal Service, was deployed to Iraq to serve in the U.S. Army for two years. After the completion of his military duties, he resumed work at the post office. He was employed with an increase in pay. Which law protected Bill by requiring that his employer re employ him with the seniority, status, and pay rate he would have earned if he had stayed on the job during the time of his deployment Why do people MOST LIKELY ignore the warning signs of cancer?1. By the time people notice the warning signs of cancer, it's already too late.2. Cancer typically develops gradually, and the signs and symptoms aren't initially severe.3. Most people who have cancer don't experience any warning signs.4. People dislike going to the doctor, so they choose to ignore the warning signs. What is the y-intercept of f(x) = seePicture can someone help me pls Solve for U 11+15u=-7+13uHelp fast please I need help plz with this Why might art be a target of political anger? On December 31, 2018, a company had assets of $34 billion and stockholders' equity of $28 billion. That same company had assets of $50 billion and stockholders' equity of $12 billion as of December 31, 2019. During 2019, the company reported total sales revenue of $27 billion and total expenses of $25 billion. What is the company's debt-to-assets ratio on December 31, 2019 Sites like Zillow get input about house prices from a database and provide nice summaries for readers. Write a program with two inputs, current price and last month's price (both integers). Then, output a summary listing the price, the change since last month, and the estimated monthly mortgage computed as (current_price * 0.051) / 12. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: print('{:.2f}'.format(your_value)) CAN SOMEONE PLEASE HELP ME OUT Solve. x^2-9x+3=0x=orx= Match the following Maya, Aztec, and Inca inventions to the effects they produced.rope bridgespyramid at Chichen Itzachinampashelped the Aztec farm more productivelyarrowRighthelped the Inca travel long distancesand communicate with their neighborsarrowRighthelped the Maya view astronomicalphenomena such as eclipses withthe naked eyearrowRight Great Green HeistHow does the author reveal the details of the Mid-day PDA If < A and < B are vertical angles, and < A = 2x - 11 degrees, and < B = x + 7 degrees, find x. Delivering oxygen through a two pronged tube secured in place by wrapping the tubing behind the ears is called 12 workers take 4 hours to complete a job. How long would it take 15 workers to complete the job? Any individual offspring produced through a sexual reproduction is always, The price of a litre of milk increased from $1.25 in 2004 to $1.35 in 2006. What is the average price increase per year?