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2 years ago

PLEASE HELP ASAP!!!!!!!! WILL GIVE BRAINLY!!!!!!! IN YOUR OWN WORDS!!!!!!!!!

1 answer:

3 0

Lizards are reptiles that are closely related to snakes. Like all reptiles, lizards have scaly skin and are ectotherms—cold-blooded animals whose body temperature varies with the temperature of their surrounding environment. Most lizards are native to the tropics, but a number of species are found in temperate regions.Chameleons, iguanas, skinks, monitors, anoles, and geckos are some of the many different types of lizards.

A number of lizard species have adapted to life in the desert. Some desert lizards have toes fringed with spiny scales to help them run across the sand without sinking. Others burrow into the sand to escape the desert's intense heat, to hide from predators, or to search for small animals that they prey upon. Some burrowing lizards even have clear scales on their eyelids that protect their eyes but still allow them to see while they move under the sand.

I hope you find it helpful!!!!!

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How many moles are in 20.50 grams of NH3?

Tema [17]

Sorry, the correct answer is A. 3.4 x 10 - 24

Hope I helped ; )

6 0

2 years ago

Read 2 more answers

Type the correct answer in each box balance the equation

kramer

Answer:

5SiO2 + 2CaC2 ➡ 5Si + 2CaO + 4CO2

Explanation:

This question involves balancing the above equation. An equation is said to be BALANCED when all the atoms of each element in the reactant side equates that in the product side.

According to this question, a chemical reaction is given as follows: SiO2 + CaC2 = Si + CaO + CO2. Based on observation, the atoms of elements are Silicon, oxygen, calcium and carbon are not the same on the reactants and products side. Based on this, the balanced equation is:

5SiO2 + 2CaC2 ➡ 5Si + 2CaO + 4CO2

8 0

2 years ago

The density of pure copper is 8.96 at 20°C. If 5.00 g of pure copper pellets is added to a graduated cylinder containing 14.6 mL

Triss [41]

Answer:

15.2 mL

Explanation:

First we calculate the volume of the copper

$volume = \frac{mass}{density}= \frac{5.00 g}{8.96 g/mL} = 0.5580 mL\\$

when this volume of copper is added to the water, the water level will rise by the level of the volume of copper. So the final volume is:

14.6 mL + 0.5580 mL = 15.158 mL

Since the measuring cylinder is graduated to one decimal place , we can round this up to 15.2 mL

8 0

3 years ago

How is a compound different from an element 2.3 lesson check?

zavuch27 [327]

Answer:

Element: Element are pure substance consist of same type of atoms
Compound: Form by combination of atoms of different elements.

Distinguish features:

Compounds represented by chemical formula while elements are represented by symbols.
Compounds have fixed ratios of atoms of different elements while in elements are distinguished by atomic no.
Compounds can be converted into simple substance by chemical methods but the elements cant be converted into simpler substance by means of chemical methods.

Example:

Water (H2O) is a compounds.
Iron (Fe) is an element.

Summary:

When two or more elements are mixed then compounds are formed.

4 0

2 years ago

What ion will be formed by the selenium atom shown below when it has a stable set of valence electrons? Selenium atom A. Se6+ B.

ella [17]

The ion that will be formed by the selenium atom shown below when it has a stable set of valence electrons is D) Se2-.

4 0

3 years ago