Steel is an example of a pure substance because it is made up of two different metals melted together. (4 points) True False

Suppose the boy skipped his lunch for a day how will the hormones from his pancreasls help his body to cope wwhen his blood suga

ivann1987 [24]

Answer:

The hormone glucagon secreted by the pancreatic cells cause the release of glucose from the body's storage.

Explanation:

The pancreas is an organ found inside the abdomen. This organ produces hormones such as:

Insulin
Glucagon
Somatostatin
Vasoactive intestinal peptide

Insulin and glucagon are considered primary hormones secreted by the pancreas.

Upon skipping a meal, leading to a drop in blood sugar levels, glucagon is secreted by the pancreas. This hormone then acts on the liver to stimulate the conversion of stored up glycogen present in the liver into glucose. This produced glucose is then released into the blood stream, availing the boy glucose for energy.

4 0

3 years ago

Give an example of a base in chemistry

slega [8]

An example of a base in chemistry would be like soap or lye

8 0

3 years ago

Read 2 more answers

Look at the two question marks between zinc (zn) and arsenic (as). at the time, no elements were known with atomic weights betwe

Thepotemich [5.8K]

Mendeleev positioned elements in the periodic table in increasing order of their atomic numbers, such that elements having identical chemical properties and characteristics plunge into the same group.

What is Mendeleev's periodic table called?

In order to represent similarities and patterns in the behavior of elements, Mendeleev created the periodic table, which is an arrangement of elements in an increasing atomic mass order in tablet form.
Mendeleev stated that "Element characteristics are a periodic function of their atomic weight" in his renowned periodic law.
The Periodic Table of Mendeleev is a table that Mendeleev created to list elements in the order of their atomic weights.

Mendeleev discovered that there were two elements with atomic weights between 65.2 and 75 because he found it very satisfying that the properties of the elements were more similar and closer to this level.
He also imagined having other elements with possessions similar to those of these other elements.
In the periodic table, he left a blank for these two elements until they were finally discovered in their true existence.

Learn more about Mendeleev's periodic table

brainly.com/question/11974961

#SPJ4

3 0

2 years ago

What volume of gold would be equal in mass to a piece of copper with a volume of 141 ml? the density of gold is 19.3 g/ml; the d

sergejj [24]

We are tasked to solve for the volume of Gold given that the mass of Gold is equivalent to that of a copper.

Details:

Density of Copper= 8.96 g/ml
Volume of Copper=141 ml
mass of Gold = mass of Copper
Density of Gold=19.3 g/ml

In order to solve for the mass of copper, we need to use the density formula
Density= mass/volume

Since we are to solve for the mass of copper
mass of copper= Density of Copper * Volume of Copper
mass of copper= 8.96 g/ml* 141 ml= 1263.36 g
Thus,
mass of gold=mass of copper=1263.36 g
Hence,
Using still the density formula to solve for the volume of gold,
Volume of gold=mass of gold/ Density of gold
Volume of gold=1263.36 g/ 19.3 g/ml = 65.46 mL

Therefore, the volume of the gold must be 65.46 mL in order to have the same mass of a copper

8 0

3 years ago

A crystallographer measures the horizontal spacing between molecules in a crystal. The spacing is

Brilliant_brown [7]

But what is the width of the molecule

5 0

3 years ago