(a) Natural gas, which is mainly methane, is a fossil fuel.(i) What is meant by the term fuel?(ii) Name two other fossil fuels.(iii) Name a solid fuel which is not a fossil fuel. 相关知识点: 试题来源: 解析 (a)(i) substanc
What is meant by 'Calorific value of a fuel is 8000 kJ kg^(-1) ? 01:56 Explain how air pollution can be minimised. 03:05 Name the process that converts solar energy into chemical energy natur... 01:56 Name the major types of coal and the percentage of carbon in them. 02:05 Men...
Of course, it is crucial to be aware of trends that will affect your profit margins in any business. This awareness will impact how money is spent throughout the business, from hiring to marketing. For downstream operations, correctly pricing your inventory is incredibly important, and you want...
题目 3 (a) Different gases diffuse at different speeds.(i) What is meant by the term diffusion?[1(ii) What property of a gas molecule affects the speed at which it diffuses?[1(b)Helium is a gas used to fill balloons. It is present in the air in very small quantities. Diffusion c...
Fraud where an individual is impersonated to steal financial account and other PII. Deepfake technology can fuel unethical actions such as creating revenge porn, where women are disproportionately harmed. Raising awareness and educating people about deepfakes could erode trust in genuine videos, causing...
Dual fuel tariffs are often the cheapest way to receive yourenergy supply. However many people still don’t entirely understand exactly what is meant by the phrase “dual fuel”. Compareenergy suppliers and save money in five minutes!
Explain what is a fossil fuel and its formation? What is meant by band gap energy? What is meant by thermoplastic polymer? Define latency Explain the meaning of Allotropes. Describe how methane gas can be generated, and explain why it is considered to be a greenhouse gas. a) What is mea...
Hybrid electric vehicles (HEVs)have an internal-combustion engine and an electric motor that assists only at low speeds. The battery is charged either by the combustion engine or through recuperation when braking. Fuel cell electric vehicles (FCEVs)use electric motors. The electricity isgenerated ...
What is meant by the Krebs cycle?Answer and Explanation:The Krebs cycle (named after Hans Krebs, who discovered the metabolic pathway the cycle follows) is also known as the citric acid cycle (CAC) and the tricarboxylic acid cycle (TCA). The Krebs cycle is the third of four steps that ...
impact in the short and long term. Sustainability, however, places an increased importance on environmental issues and the organization's effect on the planet. Sustainability is meant to reduce negative environmental impacts while also ensuring that business practices don't compromise future generations....