Empirical gas - Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Empirical gas? On this page you'll find 756 study documents about Empirical gas.
Page 4 out of 756 results
Sort by
-
AS level OCR Chemistry Exam Questions And Answers (Verified And Updated)
- Exam (elaborations) • 10 pages • 2024
-
- $12.49
- + learn more
AS level OCR Chemistry Exam Questions 
And Answers (Verified And Updated) 
Isotopes - answerDifferent atomic forms of the same element. Atoms with the same number 
of protons but a different number of neutrons 
Relative atomic mass - answerThe mean mass of an atom of an element, compared to 1/12th 
of the mass of an atom of carbon-12 
Concentration= - answerNumber of moles ÷ Volume 
One mole - answer6.02×10^23 
Number of moles= - answermass ÷ molar mass 
r.t.p - answer25 ºC 
100 kPa (1 atm) ...
-
Edexcel Chemistry A Level: Guide Questions with Complete Answers. Verified for New Updates
- Exam (elaborations) • 23 pages • 2024
- Available in package deal
-
- $11.49
- + learn more
Mass spectrometry 
using lasers to ionise atoms into cations, then measure the abundance and mass using their mass-tocharge ratios 
Mass to charge ratio 
the mass of an ion divided by its charge (usually +1 in mass spectrometry) 
units: m/z 
relative atomic mass 
the average mass of an atom of an element relative to 1/12 of an atom of the isotope C-12 
relative isotopic mass 
the relative mass an atom of an isotope relative to 1/12 of the mass of a C-12 atom 
relative molecular mass 
the relati...
-
MTTC Integrated Science Exam Question & Answers 2024.
- Exam (elaborations) • 23 pages • 2024
-
- $11.99
- + learn more
MTTC Integrated Science Exam Question & Answers 2024. 
Independent Variable - correct answer The experimental factor that is manipulated; the 
variable whose effect is being studied. Placed on the x-axis (horizontal) on a graph. 
Dependent Variable - correct answer The variable that is measured in an experiment. 
Placed on the y-axis (vertical) on a graph. 
Scientific theory - correct answer Must be repeatable. Possible to be disproved and 
capable of change. 
Sampling and Sample Size - correct ...
-
Nafi CFEI - CFEI study guide questions and answers 100% a+ pass updated
- Exam (elaborations) • 15 pages • 2024
-
Available in package deal
-
- $9.39
- + learn more
Nafi CFEI - CFEI study guide questions and answers 100% a+ pass updated 
True - answer-probable cause is not needed to obtain an administrative search warrant. 
A.true 
B.false 
 
Conduction - answer-heat transfer to another body or within a body by direct contact is called: 
A.conduction. 
B.convection. 
C.radiation. 
D.pyrolysis. 
 
True - answer-fuses and circuit breakers provide protection against electrical short circuits, ground/earth faults,and load currents that might be damaging (i.e. O...
-
SCIN 131 WEEK 4 Exam QUIZ Questions With Answers Latest Graded
- Exam (elaborations) • 25 pages • 2023
- Available in package deal
-
- $21.49
- + learn more
SCIN 131 WEEK 4 Exam QUIZ Questions With Answers Latest Graded. 
A sample of pure lithium carbonate contains 18.8% lithium by mass. What is the % lithium by 
mass in a sample of pure lithium carbonate that has twice the mass of the first sample? 
 
A. 75.2% 
 
B. 18.8% 
 
C. 9.40% 
 
D. 37.6% 
Feedback: Mass percent discussed in Chapter 6.2. 
Question 5 of 25 
4.0/ 4.0 Points 
`I have some aliens in my basement who have developed a chemical weapon in an attempt to 
escape. I was able...
As you read this, a fellow student has made another $4.70
-
MTTC Integrated Science Exam Question & Answers 2024.
- Exam (elaborations) • 23 pages • 2024
-
- $12.99
- + learn more
MTTC Integrated Science Exam Question & Answers 2024. 
Independent Variable - correct answer The experimental factor that is manipulated; the 
variable whose effect is being studied. Placed on the x-axis (horizontal) on a graph. 
Dependent Variable - correct answer The variable that is measured in an experiment. 
Placed on the y-axis (vertical) on a graph. 
Scientific theory - correct answer Must be repeatable. Possible to be disproved and 
capable of change. 
Sampling and Sample Size - correct ...
-
CHM113 Final Exam Questions With 100% Correct Answers
- Exam (elaborations) • 12 pages • 2024
-
- $12.49
- + learn more
CHM113 Final Exam Questions With 100% 
Correct Answers 
Which of the following is NOT a compound? - answerO2, oxygen is a molecule 
What is the chemical symbol for the element, copper? - answerCu 
Which property is a chemical property - answerflammability 
Which of the following mixtures is heterogeneous? - answergranite 
Which of the following processes is/are physical changes? Select all that apply - 
answerwater evaporating, tearing a piece of aluminum in half 
Which unit is NOT an SI base un...
-
OCR A A-Level Chemistry- Physical and inorganic (Paper 1) Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
- Exam (elaborations) • 36 pages • 2024
-
- $12.49
- + learn more
Isotopes 
֎ -:- Atoms of the same elements with different numbers of neutrons and 
different masses 
Why do isotopes of the same element have the same chemical properties? 
֎ -:- Same number of electrons, number of neutrons has no effect on reactions 
of an element 
Relative isotopic mass 
֎ -:- Mass of an isotope relative to 1/12th of the mass of an atom of carbon-12 
Relative atomic mass 
֎ -:- The weighted mean mass of an atom of an element compared with 1/12th 
of the mass of an atom ...
-
Edexcel iGCSE Chemistry Study Exam Solution With Advanced Answers.
- Exam (elaborations) • 41 pages • 2024
-
Available in package deal
-
- $13.99
- + learn more
Experiment for Diffusion? - correct answer 1) HCl placed at one end of the test tube, ammonia solution at the other. 
2) Where they meet, a ring of Ammonium Chloride appears. 
3) The diagram shows that the ammonia is closer to the ring, showing that ammonia must have travelled faster, showing it's a lighter gas. 
 
Experiment for Dilution? - correct answer 1) Put a coloured substance in a solvent e.g food colouring in water. 
2) Over ...
-
CHM113 Final Exam Questions With 100% Correct Answers
- Exam (elaborations) • 12 pages • 2024
-
- $12.49
- + learn more
CHM113 Final Exam Questions With 100% 
Correct Answers 
Which of the following is NOT a compound? - answerO2, oxygen is a molecule 
What is the chemical symbol for the element, copper? - answerCu 
Which property is a chemical property - answerflammability 
Which of the following mixtures is heterogeneous? - answergranite 
Which of the following processes is/are physical changes? Select all that apply - 
answerwater evaporating, tearing a piece of aluminum in half 
Which unit is NOT an SI base un...
How did he do that? By selling his study resources on Stuvia. Try it yourself! Discover all about earning on Stuvia