Answer:
It should be silicon... I even googled it to see if I was correct and that’s what it says so can someone figure out why silicon is not an answer
Explanation:
1 gram = 1000 mg
=>
1 mg = 1/1000 g
25 mg = 25* (1/1000) g = 25/1000 g = 0.025g
Answer:
- <em>Sample X</em>, contains the most heat.
Explanation:
In thermodynamics, the <em>heat content</em> of heat of a system or a substance is described by the term enthalpy.
The heat content (enthalpy) is an extensive property, meaning that it is dependent on the amount of substance.
More substance more heat energy content.
Heat content is also related with the temperature. The higher the temperature the greater the kinetic energy and the higher the heat content.
Since, sample X and sample Y are both at the same temperature of 42°C, this variable does not differentiate the heat content of such samples.
Since, the sample X has more volume than sample Y, as per the previous conclusion that the more substance the more heat energy, you can certainly asses that the former contains the most heat.
Gravity when the mantle cools it becomes heavier and therfore sinks
Answer:
d = 4.5 g/cm³
Metal cube is made up off titanium.
Explanation:
Given data:
Edge length of cube = a = 11.4 mm
Mass of metal cube = 6.67 g
Density and identity of metal = ?
Solution:
First of all we will calculate the volume of cube.
V = a³
V = (11.4mm)³
V = 1481.54 mm³
mm³ to cm³:
1481.54 mm³× 1 cm³/ 1000 mm³
1.482 cm³
Density:
d = m/v
d = 6.67 g/ 1.482 cm³
d = 4.5 g/cm³
Metal cube is made up off titanium because density of titanium is 4.5 g/cm³.