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Andrews [41]
4 years ago
8

Assessment started: undefined.

Chemistry
1 answer:
Vilka [71]4 years ago
6 0
B) the bacteria that live in the intestine of a rabbit
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HELP ASAP!! DUE NOW!! WILL MARK AS BRAINLIEST IF ANSWERED WITHIN 5-10 MINUTES
AlladinOne [14]
1. NaCl
2. CaO
3. KOH
4. MgS
5. CuCO3
6. Al2O3
7. Fe2O3
8. Na2CO3
9. AlHO3
10. (NH4)3N
11. Zn3N2
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All numbers are subscripts.
6 0
3 years ago
The thermometer in the picture reads, "19.9 degrees Celsius".
GalinKa [24]

Answer:

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6 0
3 years ago
Why were Opportunity and Spirit sent to Mars' surface? A. to look for alien life B. to study the rocks and soil C. to study the
alexandr1967 [171]
D. to mine for specific minerals

5 0
3 years ago
Read 2 more answers
If an endothermic process absorbs 256j how many kilocalories are absorbed
Finger [1]
There are several units for expressing energy, Most common are joules and kilocalories.

The conversion factor of joule to kilocalories is 
 1 kilo calorie  = 4184 J
∴ x kilo calorie = 256 J

x = \frac{256}{4184} = 0.0611 kilo calories

Thus, 256 J = 0.0611 kilocalories
8 0
3 years ago
Read 2 more answers
How many moles of C2H2 are needed to react completely with 84.0 mol O2?
Mama L [17]
The reaction between C2H2 and O2 is as follows:
2C2H2 + 5O2 = 4CO2 + 2H2O

After balancing the equation, the reaction ratio between C2H2 and O2 is 2:5.

The moles of O2 in this reaction is 84.0 mol. According to the above ratio, the moles of C2H2 needed to react completely with the O2 is 84.0mole *2/5 = 33.6 mole.
6 0
3 years ago
Read 2 more answers
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