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3 years ago

Geckos and some other animals can climb smooth surfaces. Which of these explanations of this

Chemistry

2 answers:

Montano1993 [528]3 years ago

8 0

Answer:

c) pillars

Explanation:

Marrrta [24]3 years ago

4 0

Answer:

The gecko's feet have tiny suction cups on them that stick to the surface.

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Which of the following is true about two neutral atoms of the element zinc?

Ymorist [56]

It isn't specified which neutral atom of zinc it pertains to. There are 5 stable isotopes of Zinc. It could be any of those. However, one thing is true for all possible conditions. These neutral atoms would have the same number of protons because they are of the Zinc element. It would always have 30 protons when neutral. So, the answer is: <span><em>Both have an equal number of protons.</em></span>

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3 years ago

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Volume of 100ml. it’s density is 0.15g/ml. what is its mass?

11Alexandr11 [23.1K]

$V=100mL\\
d=0,15\frac{g}{mL}\\\\
m=dV=0,15\frac{g}{mL}*100mL=15g$

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3 years ago

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Consider the reaction when aqueous solutions of potassium hydroxide and ammonium nitrate are combined. The net ionic equation fo

Reil [10]

Answer: $OH^-(aq)+NH_4^+(aq)\rightarrow NH_3(g)+H_2O(l)$

Explanation:

A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid form are represented by (s) after their chemical formulas.

$KOH(aq)+NH_4NO_3(aq)\rightarrow KNO_3(aq)+NH_3(g)+H_2O(l)$

The equation can be written in terms of ions as:

$K^+(aq)+OH^-(aq)+NH_4^+(aq)+NO_3^-(aq)\rightarrow K^+(aq)+NO_3^-(aq)+NH_3(g)+H_2O(l)$

Spectator ions are defined as the ions which does not get involved in a chemical equation or they are ions which are found on both the sides of the chemical reaction present in ionic form.

The ions which are present on both the sides of the equation are potassium and nitrate ions and hence are not involved in net ionic equation.

Hence, the net ionic equation is :

$OH^-(aq)+NH_4^+(aq)\rightarrow NH_3(g)+H_2O(l)$

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4 years ago

The aqueous equilibrium reaction below would not be affected by

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Answer:loko2020 I’m stupid I don’t know no answers sorry

Explanation:xd

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3 years ago

Karen is 17 years ild and has a BMI that indicates appropriate weight.She loves to eat all kinds of food. which strategy will be

lora16 [44]

Answer

She needs to set boundaries

Explanation:

Diet

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