35. Balance the following equation and list the coefficients in order from left

Question

35. Balance the following equation and list the coefficients in order from left to right D) 2,6, 2, 8 E) 1,2,14 36. A tentative explanation for a set of observations that can be tested by further experimentation is referred to as A) a theory B) a hypothesis. C) a law. D) none of the above. 37. Name the compound ClhOs A) dichlorine pentoxide B) dichloride pentoxide C) dichlorine pentoxygen D) chlorine pentoxide E) chloride oxide A piece of metal with a mass of 611 g is placed into a graduated cylinder that contains 25.1 mL of water, raising the water level to 56.7 mL. What is the density of the metal? A) 10.5 g/cm B) 2.70 g/em C) 19.3 g/cm? D) 8.96 g/em E) 7.13 g/cm 38. 39. A unifying principle that explains a body of facts and relations is referred to as A) a law B) a theory C) a hypothesis. D) none of the above.

Explanation / Answer

35)
the given equation is:
SF4 + H2O —> H2SO3 + HF

Balance F:
SF4 + H2O —> H2SO3 + 4HF

Balance O:
SF4 + 3 H2O —> H2SO3 + 4 HF

This is balanced now
Answer: C

36)
This is called hypothesis
Answer: B

37)
There are 2 Cl and 5 O atoms
SO, the name is: Dichlorine pentoxide
Answer: A

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