Ask a New Question

Asked by Amber

According to the following thermochemical equation, what mass of H2O (in g) must form in order to produce 975 kJ of energy?

SiO2(s) + 4 HF(g) → SiF4(g) + 2 H2O(l), ΔH°rxn = -184 kJ
14 years ago

Answers

Answered by DrBob222
184 kJ energy released in the formation of 2 moles(36 g) H2O. So
36.0 g H2O x (975 kJ/184 kJ) = ??
14 years ago
Answered by Anonymous
45
13 years ago
Answered by Anonymous
what mass of Mg combines with 5.80 L of O2 measured at STP
12 years ago
Answered by anonymous
190.8
5 years ago

Related Questions

Hi, I would like to ask if there is someon who can recomend me a good university, for a person that... When should I use their or there? THEIR is a possessive pronoun. Examples: <b>Their</b> house is... Could someone tell me what thermal changes are in a heat curve of water or in general what it is?... Consider the following two thermochemical equations N2+2.5O2-> N2O5(s) Delta H=xkJ N2+2.5O2->... Mrs.sue please help me There are 29 women and 19 men on a bus. If 25% of the riders get off at t... There's 12 all together There's 7 shaded Fraction is 12/7 The numerator is 12 because the num... which of ther following can lead to the creation of a new species (speciation)? check all that apply... which of ther following can lead to the creation of a new species (speciation)? check all that apply... What does the first law of thermodynamics says? What do you need to be art therapist
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use