The amount of heat transferred from an object depends on all of the following exceptA. the specific heat of the object.
B. the change in temperature the object undergoes.
C. the initial amount of Calories in the object.
D. the mass of the object.

Answers

Answer 1

Answer:

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.

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2Al + 6HCl → 2AlCl3 + 3H2 If 3.0 grams of H2 were produced, how many grams of Al reacted? (Molar mass of Al = 27 g/mol, molar mass of H2 = 2.0 g/mol) ___ grams

Answers

The 2AI + 6HCL = 2ALCL3 + 3H2. of the 3.0 gms of H2 are made.

The values derived from the grams of H2 in production can be used for finding the molar mass of AI of 27.

AI will react and make a 26.8 g of AI as molar mass consists of AI = 27 g / ml and the M of the H2 = 2.0g/ mol gms.

The calculated M of grams is 26.8 rounded to 3g figures.

Learn more about the 2AI + 6HCL = 2ALCL3 + 3H2.

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Answer:

its actually 26.8 rounded to three sig figs

Explanation:

ur welcome

This is responsible for the relatively high boiling point of watera. hydrogen bonding
b. ionic bonding
c. metallic bonding
d. nonpolar covalent bonding
e. polar covalent

Answers

The bonding of hydrogen

Hydrogen bonding as it requires a lot of energy in the form of heat to break the bonds between the H and the O atoms

The grouping element, ul, contains the definition associated with a term from a description list. True False

Answers

Answer:

False is your answer

Final 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.

Explanation:

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.

Learn more about HTML here:

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Which is the correct name for the comound N2O3

Answers

Dinitrogen trioxide is the compound N2O3. :)

Answer:

dinitrogen trioxide

Explanation:

It's a covalent compound. Using the naming convention of the IUPAC and prefixes.

who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?

Answers

Dmitri Mendeleev arranged the elements

Final answer:

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.

Explanation:

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.