A. A substance that donates hydroxide ions B. A substance that accepts hydrogen ions C. A substance that donates hydrogen ions D. A substance that accepts hydroxide ions 相关知识点: 试题来源: 解析 C。原因:An acid is a substance that donates hydrogen ions is mentioned in the passage.反馈...
When the acid rock reacts, what kinds of hydrogen ions in the acid solution are transmitted to the rock face through the boundary layer?A、Natural convectionB、Forced convectionC、diffusionD、penetration相关知识点: 试题来源: 解析 A;B;C
What ions and / or molecules are present in relatively large proportions in a solution of a strong acid {eq}HI (aq) {/eq}? Acids: Acids are substances that can dissociate in solution and produce certain ions. Strong acids are those that dissociate ...
Whether an aqueous solution reacts as an acid or a base depends on its hydrogen ion (H+) content. In fact, the term "pH" originates from Latin and is an acronym for "potentia hydrogenii" - the power of hydrogen.Even chemically pure, neutral water contains hydrogen ions due to the ...
Spectator Ions:Oftentimes in neutralization, some of the ions in the reactants are the same as the ions in the products so much that you can even write an informing reaction that aptly captures the chemical reaction without the need for those common ions. The ions are like ...
acid (HCl) splits into positive hydrogen ions and negative chloride ions in water. Bases are similar; potassium hydroxide (KOH), for example, breaks up into positive potassium ions and negative hydroxide (OH) ions in water. Note that hydroxide isn't a single ionized atom, it's an ionized...
What is an Intermolecular Force? If you have a collection of independent atoms, molecules, or ions, these particles will always exert forces of attraction and repulsion among themselves as they more closely approach each other. The repulsive forces tend to be ignored, but they do exist and come...
In the first step of this cycle, called carbon fixation, an enzyme called RuBP carboxylase/oxygenase, also known as rubiso, helps incorporate CO2 into an organic molecule called 3-phosphoglyceric acid (3-PGA). In the process, it breaks off a phosphate group on six ATP molecules to convert ...
Some lithium battery designs use not a solution of lithium ions as an electrolyte but a solid lithium alloy, frequently aceramic. Similar to graphene, the idea is that electrons can flow freely through the crystal matrix of ceramics, as they do through graphene's wandering resonance bonds. Thes...
The pH scale is used to measure acidity and alkalinity levels. It measures the presence of positively and negatively charged hydrogen ions in a particular solution. The higher the hydrogen ions, the higher the acidity. Acidic foods are those that typically have a pH level of 4.6 or lower. Hi...