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3 years ago

Which statement is most likely correct about the average temperatures in San Diego, California as compared to Savannah, Georgia?

Chemistry

1 answer:

hodyreva [135]3 years ago

7 0

Hello,

<h3>100% Correct</h3>

The correct answer is D) It is lower in San Diego because of the cool ocean currents from the north.

Hope this helps!!!! :)

**(Vanessa)**

**Please don't forget to mark brainliest answer! :)

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What is oxidation number of S in H2SO5 ???

balandron [24]

$\huge \color{purple} \mathcal{ \colorbox{orange}{\colorbox{white}{♣ANSWER}}}$

$\large\underbrace\red{♡+6 :/is :/the :/oxidation:/ number}$

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$\mathtt\blue{Answered by crazyboy✨}$ $\huge\color{pink}\boxed{\colorbox{Black}{❥itzcrazyboy44}}$

4 0

3 years ago

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A sample of CaCO3(s) is introduced into a sealed container of volume 0.638 L and heated to 1000 K until equilibrium is reached.

JulsSmile [24]

Answer:

the mass of CaO present at equilibrium is, 0.01652g

Explanation:

$K_p = [CO_2]$ = 3.8×10⁻²

Now we have to calculate the moles of CO₂

Using ideal gas equation,

PV =nRT

P = pressure of gas = 3.8×10⁻²

T = temperature of gas = 1000 K

V = volume of gas = 0.638 L

n = number of moles of gas = ?

R = gas constant = 0.0821 L.atm/mole.k

$\frac{3.8 * 10^2 * 0.638}{0.0821 * 1000} \\= 2.95 * 10^-^4$

Now we have to calculate the mass of CaO

mass = 2.95 * 10 ⁻⁴ × 56

= 0.01652g

Therefore,

the mass of CaO present at equilibrium is, 0.01652g

7 0

3 years ago

A 150 mL of oxygen gas is collected over water at 20 °C and 758 torr. What volume will the same sample of oxygen occupy at STP w

Stella [2.4K]

Answer:

The volume would be; 136.17 ml

Explanation:

Volume V1 = 150 mL

Temperature T1 = 20°C + 273 = 293 K

Pressure P1 = 758 - 17.54 = 740.46 torr

At STP;

Volume V2 = ?

Pressure P2 = 760 torr

Temperature T2 = 273 K

Using the general gas equation;

P1V1 / T1 = P2V2 / T2

Making V2 subject of formulae;

V2 = P1V1T2 / T1P2

Inserting the values we have;

V2 = 740.46 * 150 * 273 / 293 * 760

V2 = 136.17 ml

3 0

3 years ago

What is the mass of alliminum?

Gennadij [26K]

Answer:

26.981539 u

Atomic number: 13

Symbol: Al

Electron configuration: [Ne] 3s²3p¹

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3 years ago

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What is the difference between ionic and covalent bonding?

mr Goodwill [35]

In an ionic bond, one atom essentially donates an electron to stabilize the other atom. The atoms in an ionic bond have different electronegativity values from each other.

While in a covalent bond, the atoms are bound by shared electrons and the electronegativity values are the same.

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4 years ago