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3 years ago

Horizontal rows are called

Chemistry

2 answers:

klio [65]3 years ago

5 0

In math it’s just horizontal in science it’s periods

alexgriva [62]3 years ago

4 0

The horizontal rows on the periodic table are called periods.

The vertical rows are called groups or families.

The elements are also color coded. The color they are part of is called their class.

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The concentration in (M) of bromide ions ina

Anon25 [30]

Answer : The concentration in (M)of bromide ions in a saturated solution of mercury (II) bromide is, $2.7\times 10^{-7}M$

Explanation :

The solubility equilibrium reaction will be:

$HgBr_2\rightleftharpoons Hg^{2+}+2Br^{-}$

Let the molar solubility be 's'.

The expression for solubility constant for this reaction will be,

$K_{sp}=[Hg^{2+}][Br^{-}]^2$

$K_{sp}=(s)\times (2s)^2$

$K_{sp}=4s^3$

Given:

$K_{sp}$ = $8.0\times 10^{-20}$

Now put all the given values in the above expression, we get:

$K_{sp}=4s^3$

$8.0\times 10^{-20}=4s^3$

$s=2.7\times 10^{-7}M$

Therefore, the concentration in (M)of bromide ions in a saturated solution of mercury (II) bromide is, $2.7\times 10^{-7}M$

6 0

3 years ago

The initial temperature of a reaction is 24.7 °C. The temperature decreases by 3.2 °C. What is the new temperature of the reacti

olya-2409 [2.1K]

Answer:

I think it's 21.5 *C

Explanation:

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2 years ago

What characteristics or characteristics contribute to the attraction between earth and the moon

OLEGan [10]

Answer:

The moon's gravity pulls at the Earth, causing predictable rises and falls in sea levels known as tides. To a much smaller extent, tides also occur in lakes, the atmosphere, and within Earth's crust. High tides are when water bulges upward, and low tides are when water drops down.

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3 years ago

Read 2 more answers

How many Cl atoms are in Zn(ClO3)2?<br> O A. 2<br> O B. 1<br> O c. 3<br> O D. 6

White raven [17]

The answer cl atoms are in zn(cio3)2 is A:2 because I looked it up and it gave me 2.

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3 years ago

Type the chemical name of the compound that contains 1 copper atom, 1 oxygen

Bas_tet [7]

Answer:

Copper (I) hydroxide

Explanation:

Copper (I) hydroxide is a chemical compound with the chemical formula of CuOH. One copper atom (Cu), one oxygen atom (O), and one hydrogen atom (H.)

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3 years ago