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
Ilya [14]
3 years ago
9

-5 - -2 plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz helppppppppppppppppppppppppppppppp meee

eeeeeeeeeeeeeeeeeeeeeee
Chemistry
2 answers:
julia-pushkina [17]3 years ago
5 0

Answer:

-3

Explanation:

if we have 2 negative signs together , it equals positive

so

-5-(-2) is basically -5+2

and -5+2= -3

the image below might help and feel free to ask for further assistance

Zepler [3.9K]3 years ago
4 0
The answer would be -3
You might be interested in
If a gas is initially at a pressure of 9 atm, a volume of 21 liters, and a temperature of 253 K, and then the pressure is raised
alex41 [277]

Answer:

15.04 mL

Explanation:

Using Ideal gas equation for same mole of gas as

\frac {{P_1}\times {V_1}}{T_1}=\frac {{P_2}\times {V_2}}{T_2}

Given ,  

V₁ = 21 L

V₂ = ?

P₁ = 9 atm

P₂ = 15 atm

T₁ = 253 K

T₂ = 302 K

Using above equation as:

\frac {{P_1}\times {V_1}}{T_1}=\frac {{P_2}\times {V_2}}{T_2}

\frac {{9}\times {21}}{253}=\frac {{15}\times {V_2}}{302}

Solving for V₂ , we get:

<u>V₂ = 15.04 mL</u>

3 0
3 years ago
A hot metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place over the next fe
notsponge [240]

Answer:

the air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down.

8 0
3 years ago
Which of the following is NOT a type of joint?
Setler79 [48]
B. is ur answer I bieleve
8 0
4 years ago
Determine the chemical formula for the compound, tetracarbonylplatinum(iv) chloride. [pt(co)4cl4] 2- [ptcl4](co)4 [pt(co)4]cl4 [
shusha [124]
Analyze the Name of complex Compound.

                              T<span>etracarbonylplatinum(iv) chloride

So, there are,
                               4 Carbonyl groups = 4 CO = (CO)</span>₄
                               1 Platinum Metal    = 1 Pt  = Pt
                               Unknown Chloride atoms = ?
In complexes positive part is always named first, so the sphere containing Pt and carbonyl ligands is written first,

                                     [Pt (CO)₄]

The charge on sphere is +4 because CO ligand is neutral, and Pt has a Oxidation state of four as written in name (IV),
So,
                                             [Pt (CO)₄]⁴⁺

Now, in order to neutralize +4 charge we should add 4 Chloride ions, So,

                                            [Pt (CO)₄] Cl₄
4 0
3 years ago
Explain the relationship between cell, tissue and organs.
kobusy [5.1K]

Answer:

The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs.

7 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following techniques is most appropriate for the recovery of solid KNO3 from an aqueous solution of KNO3?
    10·1 answer
  • How<br> myny moles are present in 5.6x1022 atoms of Ne? (0.09 moles Ne)<br> Sot ne10.05
    10·1 answer
  • What is the total number of atoms in the following formula? CaBr2
    11·1 answer
  • Which elements are part of the halogens group?
    15·1 answer
  • A sample of air contains 78.08% nitrogen, 20.94% oxygen, 0.0500% carbon dioxide, and 0.930% argon by volume. How many molecules
    5·1 answer
  • In the lewis structure of the iodate ion, io3–, that satisfies the octet rule, the formal charge on the central iodine atom is
    8·2 answers
  • What makes up the central nervous system?
    8·1 answer
  • If you can answer this question I will mark you BRAINLIEST
    13·1 answer
  • Which of these is a biotic factor of an ecosystem?
    9·1 answer
  • In humans, tongue rolling is dominant over non-rolling. A man who can roll his tongue marries a woman who cannot. They have 8 ch
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!