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Nat2105 [25]
3 years ago
14

Predict products or C3H8 + O2 via combustion

Chemistry
1 answer:
EastWind [94]3 years ago
4 0
When propane   is  burned  in  air  in  a process  known  as  combustion  it  produce   carbon  (IV) oxide  and  water
 the  word  equation  is  as follows,
  propane + oxygen--->carbon (IV)  oxide + water
chemical  equation  is  as follows
  2C3H8  +7O2--->  3CO2  + 8 H2O
hence  2 moles  of propane  reacted with 7  moles  of  oxygen  to  give 3  moles of  CO2  and  8  moles  of  H2o
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How can scientists control the flammability of a substance?
mamaluj [8]

Answer: This is simple, if it has a high flammability, and you light it on fire, then that would be a chemical change.

Explanation:

May i have brainliest please and don't forget to drop a heart

8 0
3 years ago
Atoms of Ca and S would be expected to react in a ratio of<br> A) 1:1<br> B) 1:2<br> C)2:1<br> D)3:1
VMariaS [17]

Answer:

Option A = 1:1

Explanation:

The atoms of calcium and sulphur when react their ration is 1:1. The charge on calcium is +2 and on sulphur is -2.

Ca⁺²S⁻²

The +2 and -2 charges are cancel out and overall charge will be zero.

CaS

so their atomic ratio will be 1:1

7 0
3 years ago
Could someone please HELP ME
scoundrel [369]

a) chemical energy

b) by electricity

c)

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8 0
3 years ago
The compound, nah2po4, is present in many baking powders. what is its name? sodium phosphate sodium bephosphate sodium dihydroge
AlladinOne [14]
 The  compound NaH2PO4     name  is

sodium  dihydrogen  phosphate

 
Explanation
This name is    arrived  at  by using the   IUPAC rules  of naming   compound

1.  the metal (sodium)is  named  first  followed  by  the ligand ( hydrogen  and phosphate)

Ligand  are  molecules   that are   attached to  the metal  center.

2.   ligand  are  named using alphabetical   order(for  our  case  h  for hydrogen come before p for  phosphate hence hydrogen is named first)

3. Prefix   di is used  since hydrogen  are two

hence the name  of the compound  is  Sodium dihydrogen  phosphate


8 0
3 years ago
What molarity is prepared when a solution contains 0.277 moles of calcium bromide in 500 mL of solution (must change mL to Liter
Vladimir79 [104]

Answer:

0.554M of Calcium Bromide

Explanation:

Molarity by defintion is #of moles of something/litres of solution.

Therefore, here, we have 0.277 moles of calcium bromide and 500mL (divide 500ml by 1000 to go from mL to L because for every 1L there's 1000mL) or 0.5L.

Molarity= 0.277/0.5 = 0.554M of Calcium Bromide

5 0
3 years ago
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