What is the name of the ionic compound CuS? Which substance contains metallic bonds? A) C_6H_{12}O_6 B) Hg C) H_2O D) NaCl Name the following compounds and identify which are ionic in nature. a. BF3 b. PF5 c. SiO2 Which is an example of an ionic solid? a. Sulfur hexafluori...
Write the correct chemical formula (balanced charges) for the following ionic compounds AND indicate if they are soluble or not soluble. A) potassium chloride B) lithium carbonate C) ammonium sulfide D) sodium sulfate Calculate the number of atoms in 5.78 mol of NH4NO...
HOW DO YOU DO Nice to meet you!这是百分百的.外国人第一次见面第一句就是这个.How important are the first two or three minutes of these opening contacts?Very important,It will decide the first impression. 27865 What are you supposed to do when you meet someone for the first time? 可以,在...
年轻些的甚至已经记不起他的名字，“七爷”，这是大家对他的官称。 近些年来小镇很兴旺，不仅人丁，各家各户的日子也越来越红火，所以一到了过年小镇上就非常热闹。小镇的灯在七里五乡是出了名的，哪个年夜也招来许多的人看灯。有人说这是因为小镇的风水好，而这风水就是每当过年那条主要...
a figure of speech that replaces the name of a thing with the name of something else with which it is closely associated.In teaching reading, there is a view that believes that teachers should teach the background knowledge first so that students equipped with such knowledge will be able to...
If 691.1 g (NH4)2SO4 is reacted with excess NaNO3 and produces 732.3 g NH4NO3, what is the percent yield?Percent Yield:The theoretical yield of products that can be formed for a given chemical synthesis is not often reached. The amount formed in the react...
What is the name of a substance that changes color to show changes in pH? pH: The letter p stands for potenz in German, and H stands for hydrogen ion concentration. pH measures the concentration of hydrogen ions in a solution and the strength of acids and bases using values...
What is the net ionic equation for the acid base reaction between chlorous acid and sodium hydroxide? What salt forms from HNO_3 + Ba(OH)_2? Name the acid and base that would react to make sodium chloride. Which substances are always produced in an acid-base neutralization reaction?
How do you find the valency of an element? How can one find the valency of an element? Can you balance Zn(No3)2 + NH4Br = ZnBr2 + NH4NO3? What are the steps of protein synthesis? What is an example of a business process? What are amphoteric compounds? What is an example of a ...
What is the name for the compound with the chemical formula of Ca(H2ASO4)2? How do subscripts represent the charge balance of ions? Express your answer as a chemical formula. 1. and 2. and 3.+ and 4. and 5. and Express the answer as a chemical formula: NH^{+4} and O_2^- ...