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
ELEN [110]
2 years ago
14

The answer to the problem: 3.542 - 2.1 = _____, written to the correct number of significant digits is:

Chemistry
2 answers:
VMariaS [17]2 years ago
7 0

1.442 or 1.4

Round it to the nearest number

7nadin3 [17]2 years ago
7 0

Answer:

1.442

Explanation:

3.542-2.1

=1.442

You might be interested in
What does a catalyst do in the Haber process?
Ivenika [448]

Answer:

B

Explanation:

5 0
3 years ago
Read 2 more answers
How can I tell how many electrons in each energy level? When my question states "third sublevel" does this mean sublevel P?
nikitadnepr [17]
Sorry for the delay! My internet is a bit bad.
P is the third sublevel. Each sublevel (the angular momentum quantum number), has its own number:
<span>s = 1, p =3, d = 5, f = 7</span>
The number of electrons for each is:
s-2
p-6
d-10
f-14
It's easier to just memorize these numbers, but the equation for determining the sublevel number is 2n (n = the principal quantum number). The principal quantum number is based on the period the element is in.
6 0
3 years ago
Using the van der waals equation, the pressure in a 22.4 L vessel containing 1.50 mol of chlorine gas at 0.00 c is____________at
MatroZZZ [7]

Answer:

D. 1.48atm

Explanation:

Van der waals equation is given as:

(P +an²/v²) (v - nb) = nRT

Where;

P = pressure (atm)

V = volume (L)

R = gas constant (0.0821 Latm/molK)

a and b = gas constant specific to each gas

T = temperature (K)

n = number of moles

According to the given information; V = 22.4L, T = 0.00°C (273.15K), R = 0.0821 Latm/molK, a = 6.49L^2-atm/mol^2, b = 0.0562 L/mol, n = 1.5mol

Hence;

(P + 6.49 × 1.5²/22.4²) (22.4 - 1.5×0.0562) = 1.5 × 0.0821 × 273.15

(P + 6.49 × 2.25/501.76) (22.4 - 0.0843) = 33.638

(P + 0.0291) (22.316) = 33.638

22.316P + 0.649 = 33.638

22.316P = 33.638 - 0.649

22.316P = 32.989

P = 32.989/22.316

P = 1.478

P = 1.48atm

6 0
3 years ago
Of the groups given, which are the least chemically reactive?
AfilCa [17]

Answer:

Group 8A

Explanation:

This is because the elements in Group 8A is stable, what I mean is this elements have the maximum number of electrons in there last orbit so they dont need to form any compund with any other element in the periodic table.

<em>HOPE</em><em> </em><em>THIS</em><em> </em><em>WILL</em><em> </em><em>HELP YOU</em><em /><em>❤️</em>

7 0
2 years ago
Identify the role of all molecular constituents present in a functional polyribosome. Drag the terms on the left to the appropri
nikitadnepr [17]

A polyribosome (or polysome) is a complex of one mRNA molecule and two or more ribosomes that  form a polypeptide chain during active translation. Since multiple ribosomes can translate  mRNA simultaneously, many polypeptides can be produced simultaneously from a single mRNA.

<h3>Role of all molecular constituents present in a functional polyribosome ;</h3>

1. mRNA: contains the codon

2. tRNA : contains the anticodon for the mRNA

3. Ribosome (large & small subunits): facilitates interaction between mRNA and tRNA

4. Amino acids:

5. Initation Factors: proteins important in the interaction/binding of the small subunit, mRNA, TRNAmet, and the Shine Dalgarno sequence

7. Elongation Factors: bring charged tRNA's to the A site of the ribosome

8. GTP: provides energy

Ribosome recruitment in eukaryotes occurs when the eukaryotic initiation factor e1F4F and poly(A) binding protein (PABP) recognize 5′-capped mRNAs and recruit the 43S ribosome complex to this site. increase. In addition, the Kozak consensus sequence ACCAUGG is also required for translation initiation. Therefore, at first glance, it seems unlikely that  overlapping sequences will be translated.

To know more about the Ribosome, please click here : brainly.com/question/8773679

#SPJ4

7 0
1 year ago
Other questions:
  • Why are plant cells and animal cells different
    11·1 answer
  • If 12.85 g of chromium metal is reacted with 10.72 g of phosphoric acid, then what is the maximum mass in grams of chromium(III)
    5·1 answer
  • _______ is usually measured in cubic meters per second. A. Discharge B. Bed load C. Flooding D. Suspension
    8·2 answers
  • Which of the following would not increase the rate of most reactions? A. Removing an inhibitor B. Lowering the concentration of
    8·2 answers
  • What will most likely happen when two bromine atoms bond together?
    11·1 answer
  • A scientist has isolated a fatty acid that has 26 carbons bonded together. All of the carbon atoms in the chain are connected by
    7·1 answer
  • When 3-methyl-1-pentene is treated with in dichloromethane, the major product is 1-bromo-3-methyl-2-pentene.
    9·1 answer
  • Ssdfdjfdngndfdjggjxgjnxdòò
    12·1 answer
  • .
    11·1 answer
  • What is the name of the bond that joins amino acids
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!