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3 years ago

Which describes any substance that shatters or breaks easily?

Chemistry

2 answers:

spayn [35]3 years ago

9 0

Answer:

Brittle

Explanation:

Its the most easy thing to break.

batgirl1000000000000000000000

2 years ago

Daniel [21]3 years ago

3 0

Answer:

Brittle

Explanation:

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Can I get some help please I’m lost :(

Molodets [167]

Answer:

C) 11 g

Explanation:

first look to graph , you have x and y

x is mass of Fe

and y is mass of product

if the reaction consumes 2 g of Fe , ( look to x axis , look to 2 )

and go up until the black line touch the line of number 2

and go left and you will see the point become in the middle between 10 and 12

** 12 (11) 10 ***

Good Luck

7 0

4 years ago

What is the name of the functional group that is attached to this hydrocarbon? The first and last of a chain of three carbons ar

vova2212 [387]

Answer:

Ketone

Explanation:

According to the description of the functional group attached to the hydrocarbon - the first and last of a chain of three carbons are each single bonded to 3 hydrogen (H)atoms; the center carbon is double bonded to an oxygen atom, O - it can be deduced that the functional group is a ketone group.

A ketone is a functional group with the structure R₂-C=O, where the two R are alkyl or phenyl groups which may be the same or different. The carbon in a double covalent bond with oxygen is called the carbonyl carbon. The two R groups are bonded to the carbonyl carbon in single covalent bonds.

In the hydrocarbon in this question, the two R groups are methyl groups, CH₃ bonded to the carbonyl carbon. The name of the hydrocarbon is propanone and it is a ketone molecule.

4 0

3 years ago

Read 2 more answers

Place the following in correct sequence from simplest to most complex: 1. molecules 2. atoms 3. tissues 4. cells 5. organs

Lera25 [3.4K]

Answer:

Simplest to complex

Atoms, molecules, cells, tissues, organs

Explanation:

An atom is the smallest or basic unit of any substance or thing. therefore, it is simplest among given.

Two or more atoms joined together to form molecules. Therefore, molecules are complex than atoms.

Cell is the basic unit of life and a cell is made of many molecules and compounds. So, cells are more complex than molecules.

Several cells organised in a definite way to form tissue, so tissues are group of cells and perform a definite function inside a living thing. So, tissues are more complex than cell.

Organs consist of several cells and tissues and perform a specific functions. Therefore, organs are the most complex structure among given.

Therefore order from simplest to complex is as follows:

Atoms, molecules, cells, tissues, organs

6 0

4 years ago

WILL GIVE BRAINLIEST, Which of the following would have the greatest amount of surface area?

Elodia [21]

Answer:

C. 1 cubic foot of loose sand

Explanation:

For many objects having equal volume , surface area will be maximum

of the object which has spherical shape .

But when a sphere is broken into tiny small spheres , total surface area of all the small spheres will be more than surface area of big sphere .

Hence among the given option , surface area of loose sand will have greatest surface area . Loose sand is equivalent to small spheres .

5 0

3 years ago

The densevapor iodinee heptafluoride reacts rapidly with water to give a mixture of periodic acid and hydrofluoric acid .

erma4kov [3.2K]

Explanation:

When iodine heptafluoride reacts rapidly with water to give a mixture of periodic acid and hydrofluoric acid. Reaction equation for the same is as follows.

$IF_{7} + 6H_{2}O \rightarrow H_{5}IO_{6} + 7HF$

As it is given that there are $3.72 \times 10^{-2}$ moles of iodine heptafluoride are present. Molar mass of $IF_{7}$ is 259.9 g/mol. Molar mass of $HIO_{4}$ is 227.94 g/mol and molar mass of HF is 20.01 g/mol.