Mathematics is the study of numbers, shapes and patterns. It is used in everyday life, from counting and measuring to more complex problems.
Specific Heat Capacity Practice Questions 1. What are the units for specific heat capacity? 2. What is the unit for energy? 3. How much energy is needed to heat up 1kg of water by 15°C?
Mathematics is the study of numbers, shapes and patterns. It is used in everyday life, from counting and measuring to more complex problems.
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9 Questions Show answers Question 1 300 seconds Q. What are the units for specific heat capacity? answer choices J / g °C J g / °C J g °C 1 / J g °C Question 2 300 seconds Q. A 15.75-g piece of iron absorbs 1086.75 joules of heat
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Solution: the specific heat of a substance is defined as the energy transferred $Q$ to a system divided by the mass $m$ of the system and change in its temperature $\Delta T$ and its formula is \[c\equiv \frac {Q}{m\Delta T}\] so substituting the given numerical values into the above formula, we have \begin{align*} c&=\frac {Q}{m\Delta T}\\ \\ &=\frac{2.5\times 10^{5}}{(1.57)(273+355)}\\ \\&=4485.51\quad{\rm J/kg\cdot\,^{\circ}C}\end{align*} Where ${\rm J/kg\cdot\,^{\circ}C}$ is the SI unit
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Three of these questions ask you to consider areas in which specific heat capacity is important: one domestic, one transport-based and one industrial. The remaining questions are
P.S. Physics Chapter 6 Specific Heat Questions Name_____ Q = m × ∆T × C 1. In the change in thermal energy equation, what does Q represent? 2. In the change in thermal energy equation
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