SOMEONE PLEASE ANSWER THIS IM TIMED ON MY TEST When petrol is burned inside a car engine it reacts with oxygen from the air. the products are carbon dioxide and water. carbon dioxide is thought to contribute to climate change so some cars now do not use petrol as the fuel. they use hydrogen instead, when hydrogen is burned in oxygen no carbon dioxide is produced. just water.

write a word equation for both reactions;

use " - - >" for the arrow in your equations.

PLS ANSWER ILL MARK BRAINLIST PLEASE

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes