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ANTONII [103]
3 years ago
15

What happen in the house

Chemistry
1 answer:
Digiron [165]3 years ago
6 0

Answer:

The film stars Will Ferrell, Amy Poehler, Jason Mantzoukas, Ryan Simpkins, Nick Kroll, Allison Tolman, Rob Huebel, Michaela Watkins, and Jeremy Renner, and follows a couple who open an underground casino in their friend's house in order to pay for their daughter's college tuition.

Explanation:

is this what ur talking about ?

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A chemist determines by measurements that 0.030 moles of nitrogen gas participate in a chemical reaction. calculate the mass of
zzz [600]
Remember that: 
number of moles = mass/molar mass

First, we get the molar mass of the nitrogen gas molecule:
It is known the the nitrogen gas is composed of two nitrogen atoms, each with molar mass 14 gm (from the periodic table)
Therefore, molar mass of nitrogen gas = 14 x 2 = 28 gm

Second we calculate the mass of the precipitate:
we have number of moles = 0.03 moles (given)
and molar mass = 28 gm (calculated)
Using the equation mentioned before,
mass = number of moles x molar mass = 0.03 x 28 = 0.84 gm
3 0
3 years ago
Hydrofluoric acid is used to etch grooves in glass because it reacts with the silica (sio2(s)) in glass. the products of the rea
kvv77 [185]
Answer is: coefficient is one.
Chemical reaction: SiO₂ + 4HF → SiF₄ + 2H₂O.
Reaction is balanced when there are equal numbers of elements in both side of the chemical reaction.
HF - hydrofluoric acid, <span>highly corrosive, dissolves many materials.</span>
SiF₄ - silicon tetrafluoride.
6 0
3 years ago
Read 2 more answers
Jupiter’s moon Io was discovered to have high concentrations of sulfur oxides in its atmosphere. This, in combination with resea
deff fn [24]

Answer:

S₂O₂  

Explanation:

The multiplying prefix di- means "two."

Thus, a molecule of disulfur dioxide has two atoms of sulfur and two atoms of oxygen.

The formula is S₂O₂.

4 0
3 years ago
two samples of water, 10 grams and 50 grams are in sperate cups which of the following properties is different for the two boili
Trava [24]

Answer:

volume

Explanation:

The volume of the two samples of water will be different because volume is the amount of space occupied by a body. It is dependent on the amount of materials it contains.

  • The 50g sample will have a higher volume compared to the 10g sample.
  • The boiling point and density are intensive properties and do not depend on the amount of matter present.
  • Since both samples are from the same source, they will have the same color.
7 0
3 years ago
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Select the answers below that represent the ionic compounds in this list: na2so4 h2so4 ch3-ch3 n2o4 cacl2 ca3(po4)2
yarga [219]

Ionic compounds are those compounds which form an ion or dissociates into ions when placed in a solution. These compounds are made up of a metal and non metal. From the choices, here are the ionic compounds:

na2so4

h2so4

cacl2

<span>ca3(po4)2</span>

3 0
3 years ago
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