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3 years ago

Does every person on Earth see the same part of the sky? Yes or no

Chemistry

2 answers:

dolphi86 [110]3 years ago

5 0

The sky is all one part but people see different pieces to the sky

UNO [17]3 years ago

3 0

No :) They see different parts but I am a little confuse when you say the same part ;P

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Approximately 1 mL of two clear, colorless solutions-0.1 M Ba(NO3)2 and 0.1 M Na2SO4- were combined. Upon mixing, a thick, milky

murzikaleks [220]

Answer: balanced chemical equation: $Ba(NO_3)_2(aq)+Na_2SO_4(aq)\rightarrow BaSO_4(s)+2NaNO_3(aq)$

Net ionic equation : $Ba^{2+}(aq)+SO_4^{2-}(aq)\rightarrow BaSO_4(s)$

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

The balanced chemical equation is:

$Ba(NO_3)_2(aq)+Na_2SO_4(aq)\rightarrow BaSO_4(s)+2NaNO_3(aq)$

Spectator ions are defined as the ions which does not get involved in a chemical equation or they are ions which are found on both the sides of the chemical reaction present in ionic form.

$Ba^{2+}(aq)+2NO_3^-(aq)+2Na^+(aq)+SO_4^{2-}(aq)\rightarrow BaSO_4(s)+2Na^+(aq)+2NO_3^-(aq)$

The ions which are present on both the sides of the equation are sodium and nitrate ions and hence are not involved in net ionic equation.

Hence, the net ionic equation is $Ba^{2+}(aq)+SO_4^{2-}(aq)\rightarrow BaSO_4(s)$

4 0

3 years ago

A stack of 15 pennies is immersed into a 100 mL graduate initially containing 20.6 mL of water. The volume in the graduate cylin

Gekata [30.6K]

Answer: 5.4

Explanation: The Law of Impenetrability says that two objects can't occupy the same space at the same time; therefore, the pennies and the water can't occupy the same space at the same time. Without the pennies the water level read 20.6 mL, dropping in the pennies gives a level of 26.0.

5 0

2 years ago

With enough nitrogen (N2), suppose you have 65.3 moles of Hz, then how many moles of ammonia (NH3) are produced?

Nana76 [90]

(N2) = to 65.3 is the right answer plus 21 = 63

4 0

3 years ago

29. The chemical equation H2 + O2 + H2O represents what type of equation?

slavikrds [6]

Answer:

The chemical equation H2 + O2 + H2O represents what type of equation?

A. A balanced equation

xXxAnimexXX

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2 years ago

PLEASE PLEASE PLEASE HELP, I KNOW YOU WONT BUT, WHOEVER ANSWERS IS THE KINDEST PERSON ON EARTH!!!!!!!!!!!

andrey2020 [161]

Population- The amou t of living organisms/beings that can live and thrive in a certain sized area

things that can cause organisms to compete
-Food
-Water
-Shelter*(I am not 100% on this, forgive me)

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3 years ago