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
kap26 [50]
2 years ago
5

Please help!! ASAP, thanks

Chemistry
1 answer:
bogdanovich [222]2 years ago
5 0

Answer:

Mass of Cr = 0.25376 gram

Moles of Fe = 0.0011875

Mass of Te = 0.05472 gram

Moles of Ti = 7.9764

Explanation:

Given:

Elements     Moles      Mass

Cr               0.00488

Fe                                66.5 mg = 0.0665

Ti                 48

Hg                                1.60 kg = 1600

Computation:

Mass = Atomic mass x moles

Moles = Mass / Atomic mass

Atomic mass

Cr = 52 u        

Fe = 56 u                        

Te = 127.6 u  

Hg = 200.59 u

Mass of Cr = 0.00488 x 52

Mass of Cr = 0.25376 gram

Moles of Fe = 0.0665 / 56

Moles of Fe = 0.0011875

Mass of Te = 1.14 x 10⁻³ x 48

Mass of Te = 0.05472 gram

Moles of Ti = 1600 / 200.59

Moles of Ti = 7.9764

You might be interested in
Helium has a density of 1.79 x 10-4 g/mL at standard temperature and pressure. A balloon has a volume of 6.3 liters. Calculate t
LenaWriter [7]
The density of He is 1.79 x 10⁻⁴ g/mL
In other words in 1 mL there's 1.79 x 10⁻⁴ g of He. 
To fill a volume of 6.3 L the mass of He required 
    = 1.79 x 10⁻⁴ g/mL * 6300 mL
   = 11 277 * 10⁻⁴ g
  Therefore mass of He required = 1.1277 g of He
8 0
3 years ago
Read 2 more answers
What is the mass in grams of 6.00 × 10¹⁵ molecules of CS₂?
Elenna [48]

6,160.506

Explanation:

That is, the molar mass of a substance is the mass (in grams per mole) of 6.022 × 1023 atoms, molecules, or formula units of that substance. In each case, the number of grams in 1 mol is the same as the number of atomic mass units that describe the atomic mass, the molecular mass, or the formula mass, respectively.

3 0
2 years ago
A 10-gram aluminum cube absorbs 677 joules when its temperature is increased from 50°C to 125°C. What is the specific heat of al
ra1l [238]
<h3>Answer:</h3>

0.90J/g°C

<h3>Explanation:</h3>

We are given:

Mass of Aluminium = 10 g

Quantity of heat = 677 Joules

Change in temperature = 125°C - 50°C

                                      = 75°C

We are required to calculate the specific heat capacity of Aluminium

But, Quantity of heat = Mass × specific heat × Change in temperature

Q = mcΔt

Rearranging the formula;

c = Q ÷ mΔt

  = 677 J ÷ (10 g × 75°C)

  = 677 J ÷ 750g°C

  = 0.903 J/g°C

  = 0.90J/g°C

Thus, the specific heat capacity of Aluminium is 0.90J/g°C

8 0
3 years ago
100 points
Mariana [72]

Answer:

Where is the puzzle!??

I surely can help you

5 0
3 years ago
Read 2 more answers
Alkaline batteries are non-rechargeable.<br> Why do alkaline batteries eventually stop working?
scoray [572]

Answer:

Alkaline batteries stop working when all of the manganese dioxide has been converted.

Explanation: Hope it helps you :)))

Have a good day

4 0
2 years ago
Other questions:
  • PLEASE ANSWER ASAP!!
    15·1 answer
  • The safety air bags in automobiles are inflated by nitrogen gas generated by rapid decomposition of sodium azide (NaN 3).
    13·1 answer
  • Consider the equation below. Upper C a upper C upper O subscript 3 (s) double-headed arrow upper C a upper O (s) plus upper C up
    15·2 answers
  • Which is the strongest acid? Ch3ch2ch2chfch2co2h ch3ch2ch2cbr2ch2co2h ch3ch2ch2cf2ch2co2h ch3chbrch2ch2ch2co2h ch2clch2ch2ch2ch2
    14·1 answer
  • In reversible reaction when do forward reactions take place
    9·1 answer
  • What is magnesium used for in its pure form
    15·1 answer
  • Ethanol absorbs more energy than water because it has a lower heat capacity <br><br> True or false?
    10·1 answer
  • Dorothy left a frozen juice pop out on the counter. When she returned, the juice pop had melted into a liquid. Which of the foll
    13·1 answer
  • How many sulfur atoms does 2Ba (S03)3 have
    14·1 answer
  • Somebody help me this pleaseeeeee<br>༎ຶ‿༎ຶ​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!