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arlik [135]
3 years ago
10

When scientists say that a theory can never be proven , what are they actually saying?

Chemistry
2 answers:
katrin2010 [14]3 years ago
4 0
It is always possible for new data to contradict a theory.
svlad2 [7]3 years ago
4 0
They are saying that every theory can be changed by further research
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Sodium hydroxide, NaOH, is a strong base that is used in industrial synthesis and processes such as making paper.
geniusboy [140]
No' of molecules divide by avogadro number , 6×6.023×10^23 so (2.2×10^22)÷(6.023×10^23)
= 0.03653 moles
moles × Molar mass = mass
n×Mr=m
0.03653×40 = 1.46 grams
8 0
3 years ago
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Which product would form if chlorine gas was bubbled through a solution of sodium bromide
Jobisdone [24]
This is what is normally termed a single replacement reaction, although don't hold me to that. It could have changed to something more modern.

Cl_{2} + NaBr \longrightarrow Br_{2} + NaCl
3 0
3 years ago
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When 429 mmhg of argon, 1.2 atm of neon, and 225 mmhg of helium are mixed, what is the total pressure?
Dmitry_Shevchenko [17]

The total pressure  1566 mm Hg.

Pressure is the force applied perpendicular to the floor of an object per unit location over which that pressure is shipped. Gauge strain additionally spelled gage pressure is the pressure relative to the ambient stress. pressure.

The SI unit of stress is pascal which is identical to one newton in keeping with rectangular meter. apparently, this name was given in 1971. earlier than that pressure in SI became measured in newtons in line with square meter.

Partial pressure of Argon = 429 mm Hg

Partial pressure of Neon = 1.2 atm

   ∵ 1 atm = 760 mm Hg

=> 1.2 atm = 1.2 * 760 mm Hg

                 = 912 mm Hg

Partial presser of He = 225 mm Hg

S0, Total pressure = Par + P ne + P he

                              =  ( 429 + 912 + 225 ) mm Hg

                              = 1566 mm Hg

Learn more about pressure here:-brainly.com/question/25965960

#SPJ4

6 0
1 year ago
Critical thinking requires that
ladessa [460]
C. Information from a particular source only be verified the first time the source is used
7 0
4 years ago
Of the five NASA space shuttles, which one flew the most missions?
Irina-Kira [14]

Endeavour is the youngest shuttle in NASA's orbiter fleet, and was built as a replacement for Challenger. The shuttle flew 25 missions over the course of its spaceflying career, logging a total of 122,883,151 miles (197,761,261 km) on its odometer. Endeavour launched on its maiden flight, STS-49, on May 7, 1992.

8 0
3 years ago
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