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Sladkaya [172]
3 years ago
10

I need help wit this

Chemistry
2 answers:
Nataly_w [17]3 years ago
4 0

#1

\\ \sf\longmapsto2 Ca+O_2\longrightarrow 2CaO

Balanced

#2

\\ \sf\longmapsto N_2+3H_2\longrightarrow 2NH_3

Balanced

#3

\\ \sf\longmapsto 2Cu_2O+C\longrightarrow 4Cu+CO_2

Balanced

#4

\\ \sf\longmapsto H_2O_2\longrightarrow H_2O+O_2

Already balanced

Olenka [21]3 years ago
3 0

Answer: What are you german

Explanation:

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Is the prime meridian a longitudinal or latitudinal line?
Nesterboy [21]

Answer:

longitudinal

Explanation:

A prime meridian is the meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. Together, a prime meridian and its anti-meridian (the 180th meridian in a 360°-system) form a great circle. This great circle divides a spheroid into two hemispheres.

4 0
3 years ago
How many moles are in 288.6 grams of titanium? Round your answer to the nearest hundredth. Be sure to include units.
Shtirlitz [24]

Answer:

Raw:

Namber of mole =mass/molar mass

5 0
3 years ago
What mass of copper is consumed in the reaction with hydrochloric acid if 10.0 g of gas is collected?
brilliants [131]

Answer:

317 g

Explanation:

Cu + 2HCl --> CuCl2 +H2

1      :     2           1 : 1

1 mole of Cu  = 63.5 g

1 mole of  H2 = 2g

1 mole  Cu produces = 1 mole of H2

63.5 g of Cu produces = 2 g of H2

So

10 g of H2 will be produced from =  (63.5/2)*10 = 317 g of Copper

4 0
3 years ago
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