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3 years ago

A family is another name for a group on the table of elements.

Chemistry

2 answers:

Leno4ka [110]3 years ago

8 0

Answer:

yes

Explanation:

irakobra [83]3 years ago

4 0

Answer:

Answer is: another name for groups of elements is family. There are 18 numbered groups in the periodic table. The elements in a group have similar physical or chemical characteristics and some groups have a specific name, for example group 17 (the halogens).

Explanation:

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2 years ago

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7. Write the equation for the positron emission of barium-127.

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1 year ago

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3 years ago

The volume of a sample gas, initially at 25 C and 158 mL, increased to 450 mL. What is the final temperature of the sample of ga

Rashid [163]

Answer:

Final temperature of the gas is 576 $^{0}\textrm{C}$ .

Explanation:

As the amount of gas and pressure of the gas remains constant therefore in accordance with Charles's law:

$\frac{V_{1}}{T_{1}}=\frac{V_{2}}{T_{2}}$

where $V_{1}$ and $V_{2}$ are volume of gas at $T_{1}$ and $T_{2}$ temperature (in kelvin scale) respectively.

Here $V_{1}=158mL$ , $T_{1}=(273+25)K=298K$ and $V_{2}=450mL$

So $T_{2}=\frac{V_{2}T_{1}}{V_{1}}=\frac{(450mL)\times (298K)}{(158mL)}=849K$

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So final temperature of the gas is 576 $^{0}\textrm{C}$ .

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2 years ago

How many forces act on each person? When they put there hands together or High five

EastWind [94]

Answer:

Left and right: two forces

Total: four forces

Explanation:

If it's just the forces that they are using it would be two the force of each person's hand on the other. However there is also gravity pulling down on their hand but they use another force to pull it up which you can call the normal force.

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