During a nuclear reaction mass is converted into energy
Answer:
chemical change
Explanation:
because chemical chande is a permanent change
Answer:
Percent error = 1.3%
Explanation:
Given data:
Actual value of boiling point = 100.0 °C
Measured value = 101.3 °C
Percent error = ?
Solution:
Formula:
Percent error = ( Measured value - Actual value / Actual value ) × 100
Now we will put the values in formula.
Percent error = 101.3 °C - 100.0 °C / 100.0 °C × 100
Percent error = 1.3 °C / 100.0 °C × 100
Percent error = 0.013 × 100
Percent error = 1.3%
Thus, percent error is 1.3.
The reaction between methane gas and chlorine gas to form hydrogen chloride and carbon tetrachloride, all in their gaseous form can be expressed through the chemical reaction below.
CH₄ + 4Cl₂ --> 4HCl + CCl₄
Let us assume that all the involved gases behaves ideally such that each mole of the gas is equal to 22.4 L.
Through proper dimensional analysis, the volume of the produced hydrogen chloride is calculated,
V(HCl) = (1.69 mL CH₄)(1 L CH₄/ 1000 mL CH₄)(1 mol CH₄/22.4 L CH₄)(4 mols HCl/1 mol CH₄)(22.4 L HCl/1 mol HCl)(1000 mL/1 L)
V(HCl) = 6.76 mL
<em>ANSWER: 6.76 mL</em>
Answer:
M1 = 6.0M
V1 = 8.33mL
M2 = 1.0M
V2 = 50.0mL
Explanation:
It is possible to find the volume that we need to prepare a diluted solution from a stock using the equation:
M1V1 = M2V2
<em>Where M is molar concentration and V volume of 1, stock solution and 2, diluted solution.</em>
Replacing:
M1 = 6.0M
V1 = Our incognite
M2 = 1.0M
V2 = 50.0mL
6.0M*V1 = 1.0M*50.0mL
V1 = 1.0M * 50.0mL / 6.0M
V1 = 8.33mL of the stock solution are needed