All categories

3 years ago

How do the animals in an ecosystem MAINLY acquire the sun’s

Chemistry

2 answers:

storchak [24]3 years ago

7 0

C. They obtain energy trapped and stored by plants.

vesna_86 [32]3 years ago

4 0

I think that the answer is C. <span>They obtain energy trapped and stored by plants.</span>

You might be interested in

Vinegar is a solution of acetic acid, CH3COOH, dissolved in water. A 5.54-g sample of vinegar was neutralized by 30.10 mL of 0.1

tekilochka [14]

Answer:

3.26 % of vinegar is acetic acid

Explanation:

Step 1: Data given

Mass of the sample = 5.54 grams

Volume of NaOH = 30.10 mL

Molarity of NaOH = 0.100M

Step 2: The balanced equation

CH3COOH + NaOH → CH3COONa + H2O

Step 3: Calculate moles NaOH

Moles NaOH = volume * molarity

Moles NaOH = 0.03010 L * 0.100M

Moles NaOH = 0.00301 moles NaOH

Step 4: Calculate moles CH3COOH

For 1 mol NaOH we need 1 mol CH3COOH

For 0.00301 moles NaOH we nee 0.00301 moles CH3COOH

Step 5: Calculate mass CH3COOH

Mass CH3COOH = moles CH3COOH * molar mass CH3COOH

Mass CH3COOH = 0.00301 moles * 60.05 g/mol

Mass CH3COOH = 0.1808 grams

Step 6: Calculate percent by weight of acetic acid

Mass % = ( 0.1808 / 5.54 ) *100%

Mass % = 3.26 %

3.26 % of vinegar is acetic acid

7 0

3 years ago

Two people are pushing on a shopping cart from opposite sides. When will the motion of

Darina [25.2K]

Answer:

The answer is B

7 0

3 years ago

Ionic compounds involve a (share, tranfer) of electrons and typically involve atoms that have (Large, similar, very different) e

Juliette [100K]

Answer:

2 Transfer; very different

Explanation:

Ionic compound are compound that are formed from transfer of electron. The cations donate the electron(s) while the anion receive the electron(s). The compound possess a positively charged end and a negatively charge end. Example of ionic compound is NaCl . The sodium donates one electron to the chlorine to fulfill the octet rule. The sodium atom becomes positively charged as it donate electron to the chlorine atom. The chlorine atom becomes negatively charged as it receive electron from Sodium atom.

The atoms that are involve in forming ionic compound have very different electronegativity . Electronegativity is the measure of the ability of an atom to attract a bond pair of electron. For example the NaCl compound, the two atom has verse differences in the electronegativity. Cl atom is far more electronegative than Sodium atom.

6 0

3 years ago

Why does his teacher ask him to balance the equation by including the correct coefficients? to show that most molecules exist in

Ne4ueva [31]

Answer:

to show that atoms are conserved in chemical reactions

Explanation:

3 0

3 years ago

Read 2 more answers

If you are correct you get a brainless

m_a_m_a [10]

Answer:

I Think it might be A! I hope I am right!

3 0

3 years ago