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Sveta_85 [38]
3 years ago
9

What is the 45 element on the periodic table

Chemistry
2 answers:
marissa [1.9K]3 years ago
7 0

Rhodium. FYI google it lol would have been faster

Anuta_ua [19.1K]3 years ago
4 0
Rhodium. Hope this helps!
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Two students are moving a heavy box down a hallway. Student A exerts a force of 30 Newtons on the box. Student B exerts a force
abruzzese [7]
I think it’s b not 100%
6 0
3 years ago
Xenon (xe) of mass 5.08 g reacts with fluorine to form 9.49 g of a xenon fluoride compound. what is the empirical formula of thi
jenyasd209 [6]
We are already given with the mass of the Xe and it is 5.08 g. We can calculate for the mass of the fluorine in the compound by subtracting the mass of xenon from the mass of the compound.

  mass of Xenon (Xe) = 5.08 g
  mass of Fluorine (F) = 9.49 g - 5.08 g = 4.41 g

Determine the number of moles of each of the element in the compound. 
    moles of Xenon (Xe) = (5.08 g)(1 mol Xe / 131.29 g of Xe) = 0.0387 mols of Xe
   moles of Fluorine (F) = (4.41 g)(1 mol F/ 19 g of F) = 0.232 mols of F

The empirical formula is therefore,
      Xe(0.0387)F(0.232)
Dividing the numerical coefficient by the lesser number.
<em>     XeF₆</em>
8 0
3 years ago
2. In contrast to Venus, the coldest temperature yet measured on the surface of
Leviafan [203]

38K

-391°F

Explanation:

Given temperature:

Temperature of Triton = -235°C

Unknown:

Surface temperature of Triton in °F and Kelvin

Solution:

Temperature is the degree of hotness or coldness of a body.

It is usually measured using units of kelvin, degree Celsius and degree Fahrenheit.

tK = 273 + t°C    from °C  to K

t°F = \frac{9}{5} t°C  + 32

 

tk = temperature in kelvin

 t°C = temperature in Celsius

t°F = temperature in Fahrenheit

tK = 273 + (-235) = 38K

t°F = \frac{9}{5} x (-235)   + 32  = -423 + 32 = -391°F

learn more:

Heat and temperature brainly.com/question/914750

#learnwithBrainly

7 0
4 years ago
Directions: Identify each chemical equation as a synthesis, decomposition,
bija089 [108]

Answer: 9. decomposition 10. single displacement 11. synthesis 12. double displacement

Explanation: just know I know

8 0
2 years ago
Ggggfxcjircjifvjitfv
Aleksandr-060686 [28]

lol thanks for the free points

6 0
3 years ago
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