Chemistry Homework Assistance

QuestionAI's chemistry problem solver is a middle school chemistry tutoring tool that summarises key chemical reactions and equations in real-time, featuring a robust learning system to empower even those with a weak foundation in chemistry.

You needn't fret over the elemental properties of the periodic table anymore. Here, you can effortlessly access chemical reactions and reaction principles corresponding to each element. Deductive reasoning from microscopic phenomena to discern the original structure of molecules and atoms is a research technique we staunchly champion.

This passage describes a chemical reaction. Read the passage. Then answer the question below. Buttermilk is a dairy product that contains lactic acid (C_(3)H_(6)O_(3)) The lactic acid makes buttermilk a useful ingredient in pancakes . When buttermilk is added to pancake batter, lactic acid combines with baking soda (NaHCO_(3)) to make carbon dioxide gas (CO_(2)) This gas forms bubbles in the batter, causing the pancakes to rise and become fluffy as they cook. In the chemical reaction described in the passage , which of the following are products? Select all that apply. lactic acid (C_(3)H_(6)O_(3)) baking soda (NaHCO_(3)) carbon dioxide (CO_(2))

The development of the modern theory of ATOMIC STRUCTURE shows us that __ we shouldn't meddle with things we know nothing about NUCLEAR physics can have DISASTROUS CONSEQUENCES NEW EXPERIMENTAL evidence may lead to a scientific model being CHANGED scientists often guess EXACTLY how things work from the outset

(b) Table 2 gives the results of chromatography experiments that were carried out on some known food colours, using the same solvent as the students. Table 2 }(c) Name of food colour & Distance from start line to solvent front in mathrm(mm) & Distance moved by food colour in mathrm(mm) value Ponceau 4R & 62 & 59 & 0.95 Carmoisine & 74 & 45 & 0.61 Fast red & 67 & 27 & 0.40 Erythrosine & 58 & 17 & 0.29 Which of the food colours in Table 2 could be food colour mathbf(C) from the chromatogram? Give the reason for your answer. d) Two types of chromatography are gas chromatography and paper chromatography. Give one advantage of gas chromatography compared with paper chromatography. (Total 8

Select the correct answer from each drop-down menu. A reaction proceeds with 272 moles of magnesium chlorate and 3.14 moles of sodium hydroxide. This is the equation of the reaction Mg(ClO_(3))_(2)+2NaOH-Mg(OH)_(2)+2NaClO_(3) Determine the theoretical amount of each product that the reaction will produce. The reaction will produce square of magnesium hydroxide and square of sodium chlorate.

GCSE Science -Chemistry Question 10 of 15 The atomic number of calcium is 20 How many protons does if have? Enter your answer as a number