Chemistry High School

PLZ HELP ME WITH MY WORK
What is a compound?
A substance that is made from two different metals
B. A substance that cannot be broken into simpler substances
C. A substance that is made using a chemical reaction
D. A substance that can be separated by physical means​

Answers

Answer 1

Answer:

C.

Explanation:

Answer A is incorrect because a compound doesn't have to be made with only metals.

Answer B is incorrect because that is actually the definition of a pure element.

Answer C is correct because to make a compound, there has to be a chemical reaction where bonds are formed and an entirely new substance is created.

Answer D is incorrect because compounds cannot be separated by physical means.

Hope this helps :D

Related Questions

what is the most appropriate unit to measure the following; the length of a football field. b) the diameter of a tennis ball​

Answers

Explanation:

a) m (metre)

b) mm (millimeter)

The number of joules required to heat one gram of a substance one degree Celsius is _____.


endothermic

temperature

exothermic

specific heat capacity

Answers

The answer is D - specific heat capacity.

In a hospital, bags of saline solution are used to rehydrate patients. They are made by dissolving a specific amount of salt in water. What is the solvent in the saline solution?

A. Bag
B. Patient
C. Saline
D. Water

Answers

D. Water

The solvent is the liquid that the solute (salt) is dissolved in.

Water is the solvent in the saline solution. Hence, option D is correct.

What is the solute?

A solute is something being dissolved, a solvent is a thing dissolving the item, and the solution is the mixture of the two items.

In a hospital, bags of saline solution are used to rehydrate patients. They are made by dissolving a specific amount of salt in water. Water is the solvent in the saline solution.

Hence, option D is correct.

Learn more about the solution here:

https://brainly.com/question/7932885

#SPJ5

PLZ HELP ME Which of the following is the process by which chloroplasts use carbon dioxide, water, and sunlight to produce sugars and oxygen?
A. Photosynthesis
B. Cellular respiration
c. Reproduction
D. Homeostasis​

Answers

Answer:

a

Explanation:

The answer is Photosynthesis

What is the chemical formula for carbon tetrafluoride?
The Periodic Table
1
mono-
2
di-
3
4
tetra-
5
penta-
hexa-
6
7
hepta-
8
Oct-
9
nano-
10
deca-

Answers

the chemical formula for carbon tetrafluoride is CF4 because carbon has a charge of -4 and fluorine has a charge of -1 so to balance the ions, you must balance the charges.

which chloride is a coloured solid rtp
​

Answers

Answer:

sodium chloride

hope that helped :)

Answer:

Chlorine is a greenish yellow gas at room temperature and atmospheric pressure. ... yielding chlorine water, and from this solution a solid hydrate of ideal ...

Write the relation of M3 with its multiples
​

Answers

Explanation:

HI friends good morning

Other Questions
Whch part of reproductive system produces semen PLSS HELPPPP WILL GIVE BRAINLESSS A 22-foot ladder is resting against the side of a building. The bottom of the ladder is 3 feet from the building. Find the measure of the angle the ladder makes with the ground. Round your answer to the nearest tenth of a degree. 3x + ky = 8X 2ky = 5are simultaneous equations where k is a constant.b) Given that y = 1/2 determine the value of k. After getting RM24 from his mother, Samuel had 3 times as much as he had previously. How much did he have previously? Where ____?have you beenare you beenhas you beenhave you werecual es lacorrecta? The second generation of purebred cross of -hom-ozygo us recessive organism, with a hom-ozygous dominant organism, contain a ratio of approximately _______ expressed dominant traits to recessive traits.A. 2:1B. 1:1C. 1:3D. 3:1 Whats the answer to the question... factorize : ( p- q ) cube Starting with a fresh bar of soap, you weigh the bar each day after you take a shower. Then you find the regression line for predicting weight from number of days elapsed. The slope of this line will be:__________. Is page 1 of the importance of being earnest the most important section of the book? Scene: Morning-room in ALGERNON'S flat in Half Moon StreetThe room is luxuriously and artistically furnished. Thesound of a piano is heard in the adjoining room. LANE isarranging afternoon tea on the table, and after the music hasceased, ALGERNON enters.ALGERNON. Did you hear what I was playing, Lane?LANE. I didn't think it polite to listen, sir.ALGERNON. I'm sorry for that, for your sake. I don'tplay accurately any one can play accurately but Iplay with a wonderful expression. As far as the piano isconcerned, sentiment is my forte. I keep science forLife.LANE. Yes, sir.ALGERNON. And, speaking of the science of Life, haveyou got the cucumber sandwiches cut for Lady Bracknell?LANE. Yes, sir. (Hands them on a salver.)ALGERNON. (Inspects them, takes two, and sits down on thesofa.) Oh! ... by the way, Lane, I see from your book thaton Thursday night when Lord Shoreman and Mr. Worthing were dining with me, eight bottles of champagne are entered as having been consumed.LANE.Yes, sir; eight bottles and a pint.ALGERNON.Why is it that at a bachelors establishment the servants invariably drink the champagne? I ask merely for information. please helpppp i need it by tonight its very important When you find information that is not relevant to your main research question or supporting questions, what should you do?. do more research on that topicB. disregard the informationC. include the information in your research notes I need help please slope A new machine requires an investment of $630,000 and will generate $100,000 in cash inflows for 7 years, at which time the salvage value of the machine will be $130,000. Using a discount rate of 10%, the net present value of the machine is $_________ Which person is considered part of a market?A. Jeremiah, who is completing his homeworkB. Liz, who is drawing a picture of her catC. Matt, who is paying for guitar lessonsD. Erin, who is resting before going for a jog According to this diagram, what is tan 62?6217182809015O A.817OB.O c. 1815D.158OE.1715F.1517 which of the following is true about office friendships? Write a program to input the TotalCost and display the Assured gift as per the following criteria TotalCost(TC) Assured Gift Less than or up to 2000 Wall Clock 32001 to 5000 School Bag 5001 to 10,000 Electric Iron More than 10,000 Wrist Watch Define guidance and counseling in the perspective of five authors clearly stating the differences and similarities between the two terms? What are true of multicellular organisms