subject

Chemistry, 04.12.2019 11:31 chiarag305

Which of the following is a chemical change?
a. cutting
b. melting
c. rusting
d. bending

ansver

Answers: 3

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 14:00

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?

Answers: 3

question

Chemistry, 22.06.2019 17:10

)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.

Answers: 1

question

Chemistry, 22.06.2019 17:20

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

Answers: 2

question

Chemistry, 22.06.2019 20:00

How many moles are in 123.0 grams of kclo4?

Answers: 1

You know the right answer?

Which of the following is a chemical change?
a. cutting
b. melting
c. rusting

Questions

question

Mathematics, 06.05.2020 05:08

R. If you form a triangle from two given angle measures and the length of their included side, will you always get a unique triangle or will you get m...

question

History, 06.05.2020 05:08

What happened because the supreme courts landmark decision in brown vs. broad of education...

question

Biology, 06.05.2020 05:08

Fossils ___. Disprove evolution Form whenever an organism dies Can only form when organisms are buried alive

question

Chemistry, 06.05.2020 05:08

A layer of sandstone is found on top of a layer of shale. What most likely happened in this area?...

question

Chemistry, 06.05.2020 05:08

Determine the mass of magnesium (Mg) needed to react with 0.735 moles of silver nitrate AgNO3...

question

Spanish, 06.05.2020 05:08

2 Rewrite the sentences, replacing the underlined nouns with pronouns. Follow the model. Modelos: Voy a servir las chuletas a los...

question

Mathematics, 06.05.2020 05:08

At a new job selling high end clothing to women, you earn 8% commission on all sales you make after the $480. Your pay can be represented by p=0.08(s-...

question

Mathematics, 06.05.2020 05:08

Last year, a soft drink manufacturer had 21% of the market. In order to increase their portion of the market, the manufacturer has introduced a new fl...

question

Chemistry, 06.05.2020 05:08

How is the law of conservation of mass applied to ecology?...

question

Business, 06.05.2020 05:08

On January 1, 2017, Minter Corporation issued 9%, 10-year bonds with a face value of $900,000 at 93.78. Interest is payable semiannually on January 1...

question

History, 06.05.2020 05:08

Use the cause-and-effect chart to answer the question. Cause Effect The G. I Bill of Rights gave benefits such as paid tuition, unem...

question

Mathematics, 06.05.2020 05:08

The graph of g(x) is the graph of f(x) The function g(x) can be defined by the equation g(x) = 3. where k =...

question

Mathematics, 06.05.2020 05:08

Which’s score is higher 21/25 82%...

question

Biology, 06.05.2020 05:08

Choose the word that best completes the sentence Bacteria cells have a rigid cells that gives the bacteria its shape The oute...

question

Health, 06.05.2020 05:08

Which statement about grains and a raw food diet is true?...

question

Mathematics, 06.05.2020 05:08

11. Find the mean, median, and mode of the data set. Round to the nearest tenth. 7,5,4,2,1,1,2,3,5,4,5 a)mean = 3.5 median = 4 mode = 5

question

Mathematics, 06.05.2020 05:08

If you put all the insects together end to end, what would be the total length of all the insects?

question

Business, 06.05.2020 05:08

Lars Osberg, a single taxpayer with a 35 percent marginal tax rate, desires health insurance. The health insurance will cost Lars $8,500 to purchase i...

question

English, 06.05.2020 05:08

Who threatened to take the Darlings as prisoners?...

question

English, 06.05.2020 05:08

Who awakened them during the night? Number the stars...

More questions: Chemistry Another questions

Questions on the website: 13722367