What mass of calcium chloride added to 22 g of water decreases the freezing point by 2.21 Kelvin?

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood

Pl what kind of reaction is this? nahco3 + h2o → co2 + naoh + h2o -composition -decomposition -single replacement -double replacement im leaning more toward single replacement. if im wrong can you explain whyy?

Question 1 how do an ionic bond and a covalent bond differ? an ionic bond is an attraction between oppositely charged ions. a covalent bond is a sharing of electrons between atoms. a covalent bond is an attraction between oppositely charged ions. an ionic bond is a sharing of electrons between atoms. there is no difference. both an ionic bond and a covalent bond share electrons. there is no difference. both an ionic bond and a covalent bond are attractions between oppositely charged ions. question 2 what is the definition of a covalent bond? a bond between two positive ions a bond between two negative ions a bond between a positive and a negative ion a bond between two atoms question 3 what is a bond called that shares electrons between two neutral atoms? covalent bond ionic bond metallic bond polar bond question 4 water (h2o) is composed of the same elements as carbon monoxide (co). how do their properties compare? they have different properties because the arrangement of atoms is different. they have the same properties because they have the same atoms. they have different properties because they have different atoms. they have the same properties because they have the same arrangement of atoms. question 5 what is the definition of a chemical bond? a mutual attraction between the nuclei and electrons in two different atoms a mutual attraction between the nuclei and electrons in a single atom a mutual repulsion between the nuclei and electrons in two different atoms a mutual repulsion between the nuclei and electrons in a single atom