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bija089 [108]
3 years ago
11

Islands have cool and calm weather throughout the year? Why?

Chemistry
1 answer:
saveliy_v [14]3 years ago
8 0
There’s no one around and the breeze from the Ocean makes it cool
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A chemist measures the amount of bromine liquid produced during an experiment. She finds that 14.4 g of bromine liquid is produc
emmasim [6.3K]

Answer:

\boxed{\text{0.0901 mol}}

Explanation:

\text{Moles} = \text{14.4 g } \times \dfrac{\text{1 mol}}{\text{159.81 g}} = \text{0.0901 mol}\\\\\text{ The sample contains $\boxed{\textbf{0.0901 mol}}$ of bromine}

5 0
3 years ago
A solution of H2SO4(aq) with a molal concentration of 4.80 m has a density of 1.249 g/mL. What is the molar concentration of thi
Naddika [18.5K]
Imagine we have <span>mass of solvent 1kg (1000g)
According to that: </span>molality =n(solute) / m(solvent) =\ \textgreater \  4.8m = 4.8mole / 1kg
= 4.8 mole * 98 g/mole = 470g
m(H2SO4) = n(H2SO4)*Mr(H2SO4) =\ \textgreater \=\ \textgreater \  Molarity = 4.8 mole / 1.2 L = 4 M m(H2SO4)  which is =<span>470g

</span><span>m(solution) = m(H2SO4) + m(solvent) = 470 + 1000 = 1470 g
d(solution) = m(solution) / V(solution) =>
=> 1.249 g/mL = 1470 g / V(solution) =></span>
Molarity = n(solute) / V(solution) =\ \textgreater \
5 0
3 years ago
What is the name of the solid that will form from the following reaction: a
Reptile [31]

Answer:

yeild solid iron

Explanation:

When two solutions of ionic compounds are mixed, a solid may form. This type of reaction is called a precipitation reaction, and the solid produced in the reaction is known as the precipitate.

4 0
3 years ago
Plz Help!
Zepler [3.9K]

Answer:

c. 30mL

Explanation:

NaOH + HCl ---> H2O + NaCl

conc. = mol/vol

mol HCl = conc. x vol

= 1.0 x 30

= 30mol

mol NaOH = 30mol

vol. = mol/conc

= 30/1.0

= 30mL

6 0
3 years ago
What willl happen if we nuke the sun some how
iogann1982 [59]

Answer:

The sun'll likely absorb the radiation if it is close enough (Which it will never be)

Explanation:

4 0
3 years ago
Read 2 more answers
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