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
MissTica
2 years ago
7

42x 51 plz help fast

Chemistry
1 answer:
Reptile [31]2 years ago
8 0

Answer:

  • 42×51
  • 2142

hope it helps.

You might be interested in
A 3.5L container has a gas pressure of 5.3atm. If the volume is decreases to 1.4L. What will be the new pressure inside the cont
Nat2105 [25]

Answer:

your answer for that problem is 34.5

8 0
2 years ago
Read 2 more answers
La formula estructural del eter butil pentilico
Mama L [17]

Answer:

do you mean?

Explanation:

the structural formula of butyl pentyl ether

3 0
3 years ago
2nd part of the other one plz help
Natalija [7]

18. Reaction will occur.

19. Reaction Will occur.

20. Reaction will occur.

21. Reaction will occur.

22. Reaction won't occur.

23. Reaction will occur.

24. Reaction will occur.

25. Reaction won't occur.

<h3><u>Explanation</u>:</h3>

The reaction rate of the metals with water, steam, acid, or hydroxides or their inert behavior towards them are noted in the metal activity series.

It contains all the metals one after the other which and the upper metal can replace the lower metal from its salt.

Calcium can replace hydrogen from acid, so the reaction will occur in 18. The products formed are calcium phosphate and hydrogen gas.

Chlorine is more reactive than bromine. So it can replace bromine from its salt to from bromine gas and magnesium chloride.

Aluminium can replace iron from its salt. So it will form aluminium oxide and iron metal. This reaction is used to obtain iron from ores.

Zinc can replace hydrogen from acid. So the products will be zinc chloride and hydrogen gas.

Chromium cannot displace hydrogen form water. So the reaction won't occur.

Tin can replace hydrogen form acid. So the reaction will proceed.

Magnesium will replace platinum from its salt. So magnesium oxide and platinum will form.

Bismuth cannot replace hydrogen from acid. So the reaction won't proceed.

4 0
3 years ago
Which type of decay has the greatest mass?<br> A.<br> alpha<br> B. beta<br> gamma<br> D.<br> nuclear
coldgirl [10]

Answer:

Alpha has the greatest mass- A.

3 0
3 years ago
Read 2 more answers
If a balloon containing 3000 L of gas at 39 C and 99 k Pa rises to an altitude where the pressure is 45.5 kPa and the temperatur
mihalych1998 [28]

Answer:

The new volume of the balloon will be 6046.28 L

Explanation:

Initial pressure (P1) = 99 kpa

initial volume (V1) = 3000 L

Initial temperature = 39 C = 39 + 273 = 312 K

Final pressure (P2) = 45.5 kpa

Final temperature = 16 C = 16 +273 = 289K

Final volume = ????

To calculate the final volume using the general gas equation

                  P1 V1 / T1  = P2 V2 / T2

make V2 the subject of the formular

                   V2 = 99000 ×3000× 289 / 45500×312

                   V2 = 85833000 /14196

                     V2 = 6046.28 litres

5 0
3 years ago
Other questions:
  • When positive externalities are present in a market?
    13·1 answer
  • One mole of calcium ions has the same number of representative particles as which of the following? one mole of calcium nuclei o
    14·1 answer
  • 25 Points Please Help ASAP! Will Mark Brainliest If All Are Answered!!
    11·1 answer
  • What are sources of electricity? List as many as you can
    14·1 answer
  • What is the overall reaction order for this rate law: rate= k[a][b]?
    6·1 answer
  • Which of the following reactions could be used to extract the lead from the lead nitrate?
    5·1 answer
  • Which type of decay does not involve the decaying atom's atomic number to change?
    9·1 answer
  • For 20 points.... answer this
    13·2 answers
  • In the metric system kilo is an abbreviation for 10,000
    14·2 answers
  • What is an alkene?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!