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
Irina18 [472]
2 years ago
5

Which metal can be obtain from calvertie ores?​

Chemistry
1 answer:
galina1969 [7]2 years ago
5 0

Answer:

Ore

hope this helps

thanks for the points

You might be interested in
Name the 3 seperate metals group
umka21 [38]

Akali Metals

Akali-Earth Metals

and Other Metals

8 0
3 years ago
A watt of is a unit of power equivalent to 1 joule per second (1 J/sec). In other words, a 60 watt light bulb consumes 60 joules
Juli2301 [7.4K]

The time the chocolate bar could power the laptop in hours is 0.00233 hrs.

Since 200 Calories of chocolate bar were burned to power the 100 Watt laptop, we need to find the number of joules on energy in 200 calories of chocolate bar.

Knowing that 4.2 Joules = 1 Calorie, then

200 Calories = 200 × 1 calorie = 200 × 4.2 Joules = 840 Joules

Since the power required by the laptop is 100 W = 100 J/s and Power, P = energy/time

so, time = energy/power

So, the time for the laptop to use 840 J of energy from the chocolate bar at a rate or power of 100 W = 100 J/s is

time = 840 J ÷ 100 J/s = 8.4 s

So, the time in hours is 8.4 s ÷ 3600 s/1 h = 0.00233 hrs (since 1 hr = 3600 s)

So, the time the chocolate bar could power the laptop in hours is 0.00233 hrs.

Learn more about time to power here:

brainly.com/question/17732603

7 0
2 years ago
Why can't scientists simply use carbon-12 (12C) do determine
Alex

Answer:

carbon-12 is not radioactive

Explanation:

The measurement of the age of dead carbon based life forms requires the use of a radioactive isotope hence it is often referred to as radiocarbon dating.

Carbon-12 and Carbon-14 occur together in living things.The half life of Carbon-14 is about 5670 years.

Hence, since Carbon-12 is not radioactive, it can not be used to measure the age of dead carbon based materials.

8 0
3 years ago
Jake hangs two balloons from a desk so that they are close together but not touching. Jake rubs one balloon with a wool cloth. H
kari74 [83]
The objects that are rubbed together will create charges among themselves due to friction. 
(1) The balloon rubbed with a wool cloth will be charged. 
(2) If she comb near a small, uncharged object nothing will change. 
(3) This is a scientific investigation because it does not involved a step by step process to answer a scientific query. 
3 0
3 years ago
Read 2 more answers
What is the mole ratio of hydrogen to nitrogen in the following reaction: N2(g) + 3H2(g) →
Nuetrik [128]

Answer:

3 mol H2/2 mol N2

Explanation:

Mole ratios are basically from the numbers/coefficients in front of the element

5 0
2 years ago
Other questions:
  • When there are equal forces from opposite directions acting on an object, the forces are said to be which of the following?
    8·1 answer
  • A sample of air with a volume of 2.20m3 at a pressure of 105 KPa and a temperature of 30c is cooled to 10c and the pressure is r
    10·2 answers
  • Which element has the highest first electron affinity? which element has the highest first electron affinity? te ba xe cs?
    13·1 answer
  • An ionic bond forms between atoms of​
    8·1 answer
  • When the temperature of the gas changes from cold to hot, the amount of pressure is ___________.
    5·1 answer
  • A moving magnetic field can produce electricity. true or false ?
    10·2 answers
  • Visible light, X Rays infrared radiation and radio waves all have the same
    5·1 answer
  • 2 Cu + Cl2 ----> 2 Cuci
    10·1 answer
  • The specific heat of wood is 2.03 J/g.°C. How much
    14·1 answer
  • Which fact is most important in causing phospholipids to behave as they do in water?.
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!