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Agata [3.3K]
3 years ago
6

Fluorine gas is placed in contact with calcium metal at high temperatures to produce calcium fluoride powder. What is the formul

a equation for this reaction?
Upper F subscript 2 (l) plus upper N a (s) right arrow upper N a upper F subscript 2 (s).
Upper F subscript 2 (g) plus upper C a (s) right arrow upper C a upper F subscript 2 (l).
Upper F subscript 2 (g) plus upper N a (s) right arrow with delta above upper N a upper F subscript 2 (l)
Upper F subscript 2 (g) plus upper C a (s) right arrow with delta above upper C a upper F subscript 2 (s).
Mathematics
2 answers:
Tatiana [17]3 years ago
7 0

Answer:D

i took the test (:

Step-by-step explanation:

wariber [46]3 years ago
4 0

Answer:

D

Step-by-step explanation:

The Delta symbol represents heat being applied in order to produce.

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3 0
3 years ago
Does anybody have a REAL answer for this?
S_A_V [24]
Area of square = 15 x 15 = 225 cm^2
area of circle = pi r^2 = (3.14)(15)(15) = 706.5 cm^2

1/4 of circle = 706.5 / 4 = 176.6

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answer
48.4 cm^2
6 0
3 years ago
A flower bed has the shape of a rectangle 7 yards long and 4 yards wide. What is it’s area in square feet
Alla [95]

Answer: 252 square feet

Step-by-step explanation:

lets remember that 1 yard= 3 feet

7 yards= 7*3=21 feet

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6 0
3 years ago
A baseball player has a batting average of 0.26. What is the probability that he has exactly 6 hits in his next 7 at bats
LenKa [72]

Answer:

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Step-by-step explanation:

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We have to solve this by using the binomial distribution formula.

P(X= x)

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= 7 × 0.0003089 × 0..74¹

= 0.0016

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8 0
3 years ago
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tresset_1 [31]
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