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3 years ago

(100 POINTS AND BRAINLYEST)

Chemistry

2 answers:

-Dominant- [34]3 years ago

8 0

Answer:

hello, the first one is they are both do to heat and more water in sea level makes sea level higher. and i am not sure if the last questions are suppose to be true or false but here u go. 2nd question Sea level changes due to uplift or subsidence of the continental crust. and they change due to volume. 3rd question is if u put something in water it is going to rise. 4th one is yes . and the last one is yes

i am not sure if this is right but hope it helps

Explanation:

Blababa [14]3 years ago

6 0

Answer:

Sea level changes due to change in temperature leading to thermal expansion

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The gram formula mass of NH4Cl is(1) 22.4 g/mole (3) 53.5 g/mole(2) 28.0 g/mole (4) 95.5 g/mole

g100num [7]

The answer is (3) 53.5 g/mol. The gram formula mass means that the mass of one mol compound. 1N=14, 4H=4, 1Cl=35.5. So the gram formula mass of NH4Cl=14+4+35.5=53.5 g/mol.

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3 years ago

Read 2 more answers

7.66 Write balanced equations for the following reactions: (a) potassium oxide with water, (b) diphosphorus trioxide with water,

White raven [17]

Explanation:

(a) potassium oxide with water

$K_2O(s)+H_2O(l)\rightarrow 2KOH(aq)$

According to reaction,1 mole of potassium oxide reacts with 1 mole of water to give 1 mole of potassium hydroxide.

(b) diphosphorus trioxide with water

$P_2O_3(s)+3H_2O(l)\rightarrow 2H_3PO_3(aq)$

According to reaction,1 mole of diphosphorus trioxide reacts with 2 moles of water to give 2 moles of phosphorus acid.

(c) chromium(III) oxide with dilute hydrochloric acid,

$Cr_2O_3(s)+6HCl(aq)\rightarrow 2CrCl_3(aq)+3H_2O(l)$

According to reaction,1 mole of chromium(III) oxide reacts with 6 moles of hydrochloric acid to give 2 moles of chromium(III) chloride and 3 moles of water.

(d) selenium dioxide with aqueous potassium hydroxide

$SeO_2 (s)+2KOH (aq)\rightarrow K_2SeO_3(aq)+H_2O(l)$

According to reaction,1 mole of selenium dioxide reacts with 2 moles of potassium hydroxide to give 1 mole of potassium selenite and 1 mole of water.

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3 years ago

How many orbitals are in the f sublevel?

lord [1]

Answer:

7 orbitals

Explanation:

An f sublevel has 7 orbitals

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3 years ago

What would happen to the moon’s interia were to increase? A the moon will fly into space. B the moon will smash into Earth. C th

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Answer:

Explanation:

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3 years ago

At what temperature (in C) will a sample of gas occupy 91.3 L if it occupies 45.0 L at 70.0°C? Assume constant pressure.)

sdas [7]

Solution is here,

for initial case,

temperature(T1)=70°C=70+ 273=343K

vloume( V1) =45 L

for final case,

temperature( T2)=?

volume(V2)= 91.3 L

at constant pressure,

V1/V2 = T1/T2

or, 45/91.3 = 343/ T2

or, T2= (343×91.3)/45

or, T2=695.9 K = (695.9-273)°C=422.9°C

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3 years ago