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schepotkina [342]
3 years ago
9

Match the following scientist with his experiment or contribution

Chemistry
1 answer:
Verdich [7]3 years ago
3 0

J. J. Thomson - oil drop

Albert Einstein - atomic theory

Niels Bohr - model of the atom

Ernest Rutherford - gold foil experiment

John Dalton - cathode ray tube

Robert Millikan - photoelectric effect

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A student has two identical glasses of milk except that the temperature of the milk in one glass is 40ºF
kiruha [24]

80ºF.

Explanation:

At a temperature of  80ºF, the milk has the highest thermal energy.

The thermal energy in a body increases as the temperature of the body increases.

To increase the temperature of a body, heat is a supplied to it or work is done on it.

  • Heat is a form of thermal energy.
  • As the heat increases, the particles of the milk gains more kinetic energy.
  • This forces them to move more faster.
  • A body with a higher temperature has more thermal energy.

Learn more:

Temperature and heat brainly.com/question/914750

#learnwithBrainly

5 0
4 years ago
1.) which of these is the balanced equation for this reaction?
horsena [70]

Answer:

1.D) CH4 + 2O2 → CO2 + 2H2O

2C)2,1,2

3.D)SIO2 + 4HF → SIF4 + 2H2O

4.D)2As + 6NaOH → 2Na3AsO3 + 3H2

5.C)SiCI4 + 2H2O → SiO2 + 4HCI

Explanation:

equal number of atoms of each elements in both the sides of the chemical equation is required to have an equation in balanced state.

6 0
3 years ago
A sample of 0.600 mol of a metal m reacts completely with excess fluorine to form 46.8 g of mf2. how many moles of f are in the
oksian1 [2.3K]
The balanced chemical reaction is expressed as:

M + F2 = MF2

To determine the moles of the element fluorine present in the product, we need to determine the moles of the product formed from the reaction and relate this value to the ratio of the elements in MF2. We do as follows:

moles MF2 produced = 0.600 mol M ( 1 mol MF2 / 1 mol M ) = 0.600 mol MF2
molar mass MF2 = 46.8 g MF2 / 0.6 mol MF2 = 78 g/mol
moles MF2 = 46.8 g ( 1 mol / 78 g ) = 0.6 mol
moles F = 0.6 mol MF2 ( 2 mol F / 1 mol MF2 ) = 1.2 moles F
6 0
3 years ago
A 0.500-l sample of gas is at a pressure of 625 mm hg. what must the pressure be (in atm), at constant temperature, if the volum
Gemiola [76]
Since temperature is held constant; Boyle's law can be expressed as: P 1 * V 1 = P 2 * V 2  
Where P1 = 625 and V1 = 0.5 L 
V2 = 925 * 10^(-3) = 0.925 L and P2 = ? 
So P2 = (P1 * V1)/P2 
P2 = (625 * 0.5)/0.925 
P2 = 337.83 my hg
3 0
3 years ago
How to name Mg3(PO3)2•9H20
eimsori [14]

Magnesium phosphite maybe

5 0
3 years ago
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