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3 years ago

create a table that describes the three common states of matter in terms of their shape, volume, and compressibility.

Chemistry

1 answer:

Elenna [48]3 years ago

6 0

Check attached for the table.

The explanation behind the table:

Solid – has definite shape and volume because if you hold any solid and put in anywhere it will not change.

Liquid – has definite volume and indefinite shape because the liquid take the shape of its container but with the same volume.

Gas – has indefinite shape and volume because the gas takes the shape and volume at its container.

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Write the beta decay equation for the following isotope: 15/6 C?

vesna_86 [32]

Answer:

$\rm _{6}^{15}\text{C} \longrightarrow \, _{-1}^{0}\text{e} + \, _{7}^{15}\text{N}$

Explanation:

The unbalanced nuclear equation is

$\rm _{6}^{15}\text{C} \longrightarrow \, _{-1}^{0}\text{e} + \, ?$

Let's write the question mark as a nuclear symbol.

$\rm _{6}^{15}\text{C} \longrightarrow \, _{-1}^{0}\text{e} + \, _{Z}^{A}\text{X}$

The main point to remember in balancing nuclear equations is that the sums of the superscripts and the subscripts must be the same on each side of the equation.

Then

15 = 0 + A, so A = 15 - 0 = 15, and

6 = -1 + Z, so Z = 6 + 1 = 7

Then, your nuclear equation becomes

$\rm _{6}^{15}\text{C} \longrightarrow \, _{-1}^{0}\text{e} + \, _{7}^{15}\text{X}$

Element 7 is nitrogen, so the balanced nuclear equation is

$\rm _{6}^{15}\text{C} \longrightarrow \, _{-1}^{0}\text{e} + \, _{7}^{15}\text{N}$

8 0

4 years ago

Did I get these correctly?

Luda [366]

Those are both correct! great job, keep up the good work (-:

4 0

3 years ago

How can a weaker party impact the law making process?

I am Lyosha [343]

Answer: This is due to a dominance of political parties over ... legislative process, the influence opposition has on amending the government bills and formal and effective

Explanation: hope u get it right

5 0

3 years ago

Sam and Joe are trying to determine whether their ideas are scientific or pseudoscientific. Sam's idea is not rejected when expe

xenn [34]

Answer:

See the complete question and the answer below

Explanation:

Sam and joe are trying to determine whether their ideas are scientific or pseudoscientific. sam's idea is not rejected when experiments produce different results. joe's idea gives the same result when tested repeatedly. which statement is correct about sam and joe's idea?

both ideas could be scientific.

neither idea could be scientific.

only sam's idea could be scientific.

only joe's idea could be scientific.

The correct answer here would be that both ideas could scientific.

Scientific ideas are those that hold true or not rejected after being tested by different experiments. Pseudoscientific ideas cannot hold true after being tested by experiments.

If an idea is tested by repeated experiments and the experiments produce different results, the idea might remain unrejected if there are no overwhelming evidence to do so from the experiments. That an idea remains unrejected due to inadequate experimental evidence, however, does not mean it is scientific or unscientific.

In the same vein, that a repeatedly tested idea gives the same results does not mean that the idea is scientific unless the results say so. If results repeatedly go against the idea, it means such an idea is unscientific or pseudoscientific.

Hence, both Joe and Sam's idea could be scientific, provided further experimental investigations are carried out.

3 0

4 years ago

one of your classmates is having trouble understanding ions, he explain the formation of a cation like this: "when you add an el

Irina-Kira [14]

Electrons carry a negative charge, so when you add on to the electron, the ion gets more negative.
hope this helps!

8 0

3 years ago