1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
malfutka [58]
3 years ago
8

Help me on a and b pls

Chemistry
1 answer:
marusya05 [52]3 years ago
5 0

Answer:

yes, it is increased by atomic mass

Explanation:

You might be interested in
At 25 celsius, 1.00 ,ole of O2 was found to occupy a volume of 12.5 L at a pressure of 198 kPa. What value of the gas constant i
mr Goodwill [35]

Answer:

R=8.301\frac{L*kPa}{mol*K}

Explanation:

Hello,

In this case, assuming oxygen as an ideal gas, it is described by:

PV=nRT

Whereas the gas constant R is required, therefore, it is computed as shown below:

R=\frac{PV}{nT} =\frac{198kPa*12.5L}{1.00mol*(25+273.15)K} \\\\R=8.301\frac{L*kPa}{mol*K}

Best regards.

4 0
3 years ago
Which particle has two positive charge and an electron arrangement of 2, 8?
Fynjy0 [20]

The answer is Mg^{2+}. A magnesium atom has 12 protons and an arrangement of [2, 8, 2]. When you lose two electrons, arrangement becomes [2,8] and the atom becomes a positively charged ion

8 0
3 years ago
Which step do you use first to calculate the number of grams of FeCl2 produced when starting with 30.3 g of Fe in this reaction?
Lisa [10]

Answer:

I dont care I want pionts

5 0
3 years ago
Please help I have 50 minutes on this quiz!?!
Mariana [72]

Explanation:

put them in where the letters start with

7 0
3 years ago
Why do we need to balance chemical equations?
Mrrafil [7]
So we know the number of moles of each compound. If we need to know the concentration we must know the number of moles that the compounds react with...

8 0
3 years ago
Read 2 more answers
Other questions:
  • I have no clue what to do, HELP!!
    8·1 answer
  • When determining the formula for a compound, it is important to know the valence numbers of each element. Suppose you want to wr
    9·1 answer
  • Which of the following is an acid-base indicator? Hydrochloric acid
    5·1 answer
  • 4. Is the mass of the products of a nuclear fission reaction compared to
    7·1 answer
  • For each reaction, calculate how many moles of the barium product you will produce using stoichiometry and the balanced reaction
    11·1 answer
  • A buffer solution is prepared by adding 13.74 g of sodium acetate (NaC2H3O2) and 15.36 g of acetic acid to enough water to make
    5·1 answer
  • What's a third reaction? (Chemistry)
    8·1 answer
  • A scientist is using robots to perform thousands of experiments on different
    6·1 answer
  • A teacher is demonstrating physical and chemical changes to her class. Which action should they use to demonstrate a chemical ch
    6·1 answer
  • 10. How many molecules are contained in 5.6 L of H2 at STP?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!