The amount of heat transferred from an object depends on all of the following except the initial amount of Calories in the object. The answer is letter C. The equation to be used to calculate the heat release when solid melts is the enthalpy of melting. It is represented as H = mCpT where H is the heat released after phase change, m is the mass of the substance, Cp is the specific heat capacity of the substance and T is the change in temperature.
The 2AI + 6HCL = 2ALCL3 + 3H2. of the 3.0 gms of H2 are made.
Learn more about the 2AI + 6HCL = 2ALCL3 + 3H2.
Answer:
its actually 26.8 rounded to three sig figs
Explanation:
ur welcome
b. ionic bonding
c. metallic bonding
d. nonpolar covalent bonding
e. polar covalent
Answer:
False is your answer
The statement is false. The <ul> element is for unordered lists, while the <dl> elements along with <dt> and <dd> are used for description lists in HTML.
The statement that the grouping element, <ul>, contains the definition associated with a term from a description list is false. In HTML, the <ul> element is used to create an unordered list, typically represented by bullet points. The definitions associated with terms in a description or definition list are contained within a <dl> element. Within this <dl> element, each term is denoted by a <dt> (description term) element, and the corresponding definition is provided within a <dd> (description details) element. It's important to use these specific elements to ensure proper semantics and accessibility on the web.
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Answer:
dinitrogen trioxide
Explanation:
It's a covalent compound. Using the naming convention of the IUPAC and prefixes.
Dimitri Mendeleev arranged the elements according to atomic mass and predicted the properties of missing elements. His table, known as the periodic table, was later validated and is now widely used in chemistry. The modern version is organized by atomic number and period.
The arrangement of elements according to atomic mass and the prediction of properties of missing elements was conducted by Dimitri Mendeleev in Russia in 1869. Together with Lothar Meyer from Germany, they recognized the periodic relationship among the known elements at that time. However, Mendeleev went a step further to use his table to predict the existence of elements that had properties similar to known ones such as aluminum and silicon.
Mendeleev's predictions were later validated with the discoveries of gallium in 1875 and germanium in 1886. These discoveries lent great credibility to Mendeleev's work. Today, the periodic table is arranged according to atomic number, following the periodic law. This law states that the properties of elements are periodic functions of their atomic numbers.
Importantly, the periodic table is far more than just an arrangement of elements. It's a vital tool in chemistry that helps predict the chemical behavior of elements and compounds.
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